NAS6303 ETC
Document overview
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Technical content
NATIONAL AEROSPACE STANDARD Y a FED SUP CLASS: ‘ at Length ——~ 5305 4) pe —— Grip -— ee oT ed: ~ 3 aE ae See Sheet 2 for | ete ozu «005 Point shall be flat and EE] \\ nea marting | wi | os 7 chamiered, See Procure £3 hee % u te) I ment specifications for Be f ‘ } oe | IF, « expe a) deaiee >es pol, = a u f ey Vent Rhy (4) | “| 0 7] ark j | (ft a2: “ as wl ACY | ya Sse ill P (j) when apecified BAO Ir wi + \\ Chamfer 15° vptional. Csk optional, specified by part az] ofcemerorheriia'when 5g] \\@ es Eomtone UNJF-3A threads per number aa al £52] specitied by part number. MIL-S-8879 except for —_ Za i] Tockwire holes must be free reduction’ of thread wrajoridisiweueriper™mn = fc] {rom burrs and sharp edges. z 3:2] 5 a 3 “Ee Nom er r |.7.| op
23 BASIC lc [un TBetore Before Cad|Platin J (Ret)
Ep2] pumper TE | plates |Chromel "pias oe“ ore Rad |p) | Die ry ee I Plate “lal Coating |Coating F3 BF) 7376) 1895, .1850| . 1887 ~ 1895 RE y~ie40| | 5 ast NAS6303/ - 1900°32/ * 367] ‘ 1890] 11845 | 1881 ‘1885 or: ee é Re La 9101 oo 323 3810) Ie Ze Z| |NAS6304) . 2500-28. * 425! ° 2490) | 2445 | basi | page| = 396]: 1251003 046 |: 1601 2 26). o86|- 010 370) 2410) |= SEs] |NAS6IO5, . 3125-24) * 499) 73115] 13070 [ioe |< 3riol 460): 1o4/ RA 438) 3020) Sg] [NAS6O6 9750-24 ° 254 3740 13695 | 13731 23735 [+829 Tee 128) [t73| 30) nef O28 i 3640) | Tnasesorl <4 [SIO AITO] 4325 | ase “16 09 -116|018 | "saq) 4810] | 2 Nasea07] 4375-20) “ere] “a3o5) ‘4320 cavoe__| Saneo) -©*8/:213) 148) [Sipe] -f3)- 106) pote} |
85 Sags 435014869 a Bete EE at ass 8
o NAS6309 . 5625-18 “Baa "se10) 986s. Seo! 3608, -825|" 3511: 168 1197 | 157 [O30 | «394 $290/ |< f 7.9407 .62407 6195 |. 6232 +6 OT 698): = 080;. «6 s |NAS6310| . 6250-18) * 999! ‘ 6295) 6190 | 16226 16230} +898 |" 312] ° 208 |" 70 [197 63 - 626) $10 In 1. 065.7490" Saas +1482 +7490 [x.o231- $89] 65) +045 Geel - ry . 1, 252, .8740) 18 F 453). 307 | : 787 |. 151 | 050 | F & Fei] [NAS6314) 8750-14)" 239 8735! | 8690 8126 38730 eee go| cegl-14i [2035 | +789 gsio, | 32 =) ‘aseaielioovocig! 4401-9990 9945] 99 +9580 TS15} 346 a [980 aay 2 £25] |NAS6316:1. 0000-12." 477) 19985, 19940 | 19976 “Bano -9° 9388) 45 | Ll a60, | Ees| [NASSHeN. 1250-127 EET Toso lt des | 11921 [acaaes |) 585] Seal gee) [sees it TE 985 10) |S EES] [NA86220)1. 2500-12) "Gols: aegols: 2495 | Lize7) [icoa7s|!-772|"e95) 417 [saeslizee] _[:eg0 |?- 0898: $400] gfe g E52) RAREST aes ape Pe TOT gous, ooa0 OU 4 #33| WASEIOS T 052 pee. 208 |. 125 [as aH C Fee RR yr 062 [-+gee | 250 |. 150 | ae 3 £36) peasesr2 Tove s191 see [018] rq 3 0020 ges (AS63147. 089 11. 405 |. 357 |. 214 LIST OF CURRENT SHEETS 2 Fiz] [NAses16 1619t | a 3 w22| PRASBITE]. 104 112852]. 417 |. 250 oe [035] ~ [xo Trew] . > 2 3 5 he] Ei NEW j ° ee 4 3 ny ed 5 3 | o FEEL tar. to) ete See nates on Sinet 2 —_ ‘ x é E z TANDARD PA SPECIFICATION | BOLT, HEX HEAD, CLOSE TOLERANCE, A-286, € see © SELF-LOCKING & NONLOCKING NAS6303 thru6320 | < lan Sheet 1 of 5 PubIane and boas BY anopel Sandaras ARZDGATON, TE © _AwrounncanauninesAssocnion oy Awarca, ne voe0 Washington. D.C. 20016 All nights reserved.
NATIONAL AEROSPACE STANDARD MATERIAL: A-286 per AMS 5731 or AMS 3737, Locking element - Plastic per MIL~F~18240 and QPL18240, HEAT TREAT: 160 KSI minimum ultimate tensile, 95 KSI minimum ultimate shear, FINISH: Unplated - Passivated to meet requirements of NAS4003. . Cadmium Plated = Cadmium plate per QQ-P-416, Type Il, Clase 2. Parts plated to Class 3 may be used until Be stock depleted. Embrittlement teat per QQ-P-416 does not apply. ae Chromium Plated - Chromium plate per QQ-C-320, Class 2 on shank only, All other surfaces cadmium plated. ea? ® No chromium within .020 of line of tangency of head-to-shank fillet, Chromium in thread egy ranout permitted. Chromium plated bolts not available with grip dash aumber 1 or number 2. 3t3 Coated - Aluminum coating per NAS4006, Zee Cadmium plated A-286 CRES bolts shall be identified with green dye or paint on the thread end,
322 Maximum coverage may include the chamfer plus one incomplete thread,
752) cope: Dash number indicates grip in 0625 increments, See Sheet 3 for tabulation of grip and length dimensions, £25 Add "Av after basic number for aluminum coated bolt. May be used with "D", "L" or "P" code. =Es ‘Add "D" after dash number for drilled shank. 235 ‘Add “Hv after dash number for drilled head. 255 ‘Add "Li after basic part number for self-locking bolts, optional configuration. gad ‘Add “U" after basic part number for unplated bolts, $az ‘Add "P* after basic part number for self-locking bolts, patch type. 233 435 “Eo Site baste part number for chrome plated baits, 34 i] EXAMPLE OF PART NUMBER: 337 NAS6304-10 = Bolt, .2500 thread, .625 grip, nonlocking, plated, undrilled. 322 NAS6304-10D = Bolt, .2500 thread, .625 grip, nonlocking, plated drilled shank. -Ea NAS6304-10DH = Bolt, .2500 thread, .625 grip, nonlocking, plated, drilled shank and drilled head. Roe NAS6304-10H = Bolt, .2500 thread, .625 grip, nonlocking, plated, drilled head. 234 NAS6304A10 = Bolt, 12500 thread, .625 grip, nonlocking, aluminum coated. PD? NASO304L10 = Bolt, 12500 thread, .625 grip, self-locking (optional configuration), plated, undrilled. 236 NaSe304LUL0 = Bolt, 2500 thread, .625 grip, self-locking (optional configuration), unplated, undrilled, Bae NAS6304PU1O = Bolt, |2500 thread, .625 grip, self-locking (patch type), unplated, undrilled. FS 232] weap MARKING: Basic number plus grip dash number plus "D", "L", of "P"! when applicable, plus manufacturer's si 233 symbol raised or depressed .010 max. Arrangement optional. 5 a3 “Dv identifies bolt with drilled shank. 5 . <3? “L" identifies bolt with optional locking element. 2 233 “Pm identifies bolt with patch type locking element only. = "A", aluminum coated and "U", unplated codes need not appear on head of bolt. & iS) ) . NOTES: (a) Grip length of bolts shall be measured from the underside of head to the end of the full cylindrical portion Ey of the shank. : 23 (b) Reference dimensions are for design purposes only, not an inspection requirement. 4 : 33 (c) Bearing surface squareness: Within , 003 TIR of shank diameter. a ea: (a) Concentricity: "D" diameter to thread pitch diameter within "AA" values, "D" and "E" diameters within "CC" © zee values TIR. 327 le) Shank straightness: Within “BBY values TIR per inch of length. 3 338 {) Protrasion of locking element shall be controlled so that it will pass freely, or with finger pressure, through 5 2tF a ring gage with diameter of .010 (+, 001, -,000) greater than maximum major diameter of screw thread, 5 SiS | 333 ig) OX" minimum (5 thread pitches) = region of minimum engagement of female thread required to meet MIL-F-16240 | ise requirements, Locking element within "X" region must develop required torque when tested per MIL-F-18240, = FS] a) For ease of starting, locking element shall not be effective in "Y" area (5 thread pitches). iS) aes, Fa age ()) Cotter pin hole centerline: Within .010 and normal within 2° of bolt centerline. 2: 2E8 ra 222] ce) Washer face diameter: Max not to exceed actual width across flate; min as tabulated, 5 age (1) Magnetic permeability shall be less than 2.0 (Air = 1,0) for a field strength of H = 200 oersteds using a magnetic Ld Fae permeability indicator per MIL-I-17214 or equivalent eez 2 #22] suRFACE TEXTURE: (AA max per ANS1 B46. 1) "D" diameter bearing surface of head, thread flanks and thread 2 532 root 32; other surfaces 125, z £24! Dimensions to be met after plating or coating. S 322] Dimensions in incnes. g Zed a £22] PROCUREMENT SPECIFICATION: NAS4003, except as noted. Cold work of head to shank fillet is not required for w NAS6303 bolt. Locking element for self-locking bolts: Per MS15981 and < = MIL-F-18240. Any type or configuration of locking element is optional when a "L" code is specified. Patch type locking element (with no metal removed) is 4 required when "P" code is specified. Locking element must be supplied by a < qualified source listed in QP118240 or approved for Usting in QPL18240. 3 Shipping notice should identify supplier of bolt and locking element separately. Fg Fa NAS 6303 thru6320 | < mm SH 2 Pupisned ang aisinbuted by National Standaras Associalion, me. Sie ner Rows © Aerospace industries Associston of Amana Ine. 1980 Washington. D.C 20016 All nghts reserved,
_ NATIONAL AEROSPACE STANDARD a AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC, 1726 De sles Steret. fo. te, Wantungten Ine Ge e0U by LENGTH £.015 (See Note Helow) _- in| Grip : So tens aaa WAMC MUMBEN AND THREAD 1B ; Posy] act Foo Jie oabsne sane udf\\Ag aSASe Aae Gye agi sae ala IASG HTS ASE TAS A : (30 afes00eas 51 25284,1990- 14375-04800 SuaN- tal e230-19, 700 14l730-14f000URU L1e30a0 Lesa) ~ Pale, ws Tass | 300 [ “316 | “520 | 590] se5e | wee | ras | Tei | cys | nom | aaa | Erp el ines] tis fo lays | l508 | i570 | loss | 65s | i719 | lier +71 +864 | 1.020 | Lid | dlcoe + Sr] sy case} osu | :S38 | sege | cede j ete | .7ie | sez} seta | lesa | oa7 | aloes | alaz7 | alam ER) gs! sol or | leo | lean | lfoa | lara | clave | lesa | Tove | i5te | aloo9 | titas | ales 1333_! Ble] 3] ET ET TH owe 1750 | 1706 2846 | ~La40°] “2908-938 978 0 T. 20? [1, 301-1 1.395 pee] of lis; love tras | lars | lazy | 90s | [903 | 960 | aloor | soar | afisa | 270 | il3ea | ilase ZSo] 71 caw! cer BOB | L876 | +872 | 4966 | 966 | 1,032 | 1, 064 | aoa | 2,197 | 1.333 | Lea27 | ssa Blt wy fu] ‘ses | two | loss | loss | lore | alozs | toga | lize | ities | 12259 | 12395 | itae9 | 1583 33/7 sez] es] ase | 1000, 1.016 | 1-090 T0907 T-T58-] 1.1es 11-228] 1.321] 145? | 1-351 | 104s BEE} io) lec5| fete | l995 | aloes | alozg | itis | ulass | alzig | alesi j alzgi | ataea | als20 | itera | 11708 Ses} ir] teas | ort | aloe | irae | alias | ulave | aire | ilaez | il3is | af3ss | tlaae | alses | tere | acd fe2l ey fro] ors | utizo | tliss | vteos | ut27e | ale7e | alas | utsze | ulate | 12509 | iteas | 1l739 | 11833 asus Playas tee paizso passes go T Sve 0e Tae ae sty erp eo eas SEwl rs] favs] liga | aleas | 1c313 | al329 | al403 | 12403 | alae9 | arson | issai | 12634 | al770 | 12864 | 1.958 £S5] 15 | lose] veer | alsoa | 2376 | alsoz | ilsee | alse | ilszz | alses | ileus | le97 | 1le33 | algzt | 2fozr S22] 16 {ilo00] 12325 | 12370 | vase | lass | al528 | 12528 | 12s0a | eee | ieee | 12750 | te9s | ilee9 | 2.063 fy 2] is iss uggs | laa | alses | alszy | ules | alesa | alzig | alzsi | alzgi | aleea | 2t020 | 2i1ta | 2.208 ESE] ig [alas] isu | 12ssa | sez6 | uleae | acme | al76 | uizez | 1leis | 1ls4 | il947 | 20083 | 21177 | 2t271 SSP itsiep tess -ptisee] L150] Tete p Lees potas] 1s0s] Laie 7 ere] Sort] azer | eaor yaaa 252] 22 [15375 | eas | alzas | alata | 12a | 12903 | 1.903 | 1e69 | 22001 | 2roar | 2.134 | 21270 | 21364 | 21450 FEZ) 23 | ilase| acres | ales | ileze | 1le92 | 1.966 | 1.966 | 22032 | 2064 | 2.104 | 25197 | 21333 | 2i4z7 | 21521 £35] 26 | 12625] voay | al995 | 21063 | 20079 | 21153 | 2l153 | 2r2u9 | 2.251 | 20201 | 21386 2iel4 | 2.708 ESz] 27 | 88] elo | 20088 | 22126 | 2raaz | 2izn6 | 21216 | 22262 | 22314 | 21354 | 20447 2i677 | 20771 £23 {25 |alzsol eiors | 22120 | 2:1e8 | 22205 | 22278 | 2t27a | 223aa | 22376 | 2416 | 22509 2:739 | 21833 SEE) 30[12675 | 2198 | zeas | 21313 | 21329 | 2.403 | zis03 | 21409 | 2/sor | 21531 | 21635 | 21770 | 2ie6s | 2.958 252] 31 [algae | 2c201 | 20308 | 22376 | 22392 | 22460 | 22466 | 21532 | 22564 | 22604 | 21697 | 21833 | 21927 | 31021 ze [32/2000] 2:52: | 22370 | 2:438 | 2ca5s | 22528 | 21528 | 21504 | 22626 | 22666 | 22759 | 21895 | 27989 | 31083 zee 36 | 2250 25573 | 20620 | 2l6ae | 270s | 20778 | 21778 | 2lesa | 21876 | 20916 | 3.009 | 3zi45 | 3239 | 35333 Zag] 38) 237s] 2o98 | zizas | 21813 | 2:8z9 | 22903 | 2.903 | 22969 | 3,001 | 3.041 | 32134 | 3.270 | 31364 | 31458 é 40] 32500] 2:423_| 2:870 | 27938 | 21954 | 3.028 | 3.028 | 3.094 | 32126 | 31166 | 3.259 | 31395 | 31489 | 31583 42 Lem ee 2998 063] 3,079 a S155 3.219 ees 29) 384 | 3.520 614 | 3.708 f 46/2.875 | 3.198 | 32245 | 32313 | 31329 | 32403 | 32503 | 31469 | 32501 | 31541 | 31634 | 31770 | 3186s | 31958 48 | 3.000] 3.525 | 3i370 | 32438 | 31454 | 3528 | 32528 | 3.504 | 32626 | 32666 | 32759 | 31895 | 31989 | 42083 S| $4] 3.375 | 3.098 | 3i7a5 | 31813 | 32829 | 32903 | 31903 | 32969 | oor | aroun | 4la34 | 4270 | 42304 | alase. &_ £ [56132500] 31623 | 32870 | 32938-32954 | aioz8 | sloz8 | aiooa | aliz6 | sires | 4i250 | 41395 | alago | 42583 332] 60) 3.750] 4.073 | 42120 | 4iiea | alz0s | 4l27e | 4.278 | al344 | 42376 | alai6 | 41509 | 42645 | 41739 | 42833 ic? 2 | 31s aiige | alzas | alas | 42329 | 4.403 | 4403 | 42469 | 4501 | alsa1 | 4.634 | 41770 | 41004 | alos 322] 64 | 42000} 42325 | aso | aiaze | 42a5a | aisze | aiszs | aisoa | 4626 | a2eoe | 4759 | 42805 | aloes | 52083 ZyS[eopaciss] ate | 4.495 | 4.86) | ao579 | 4-653 | acess | A719 | A731] 47ST aegeT | 8020] STId S208 FEE] 7242500 | aiye3 | a2e70 | s2038 | atose | 52028 | 51028 | 52003 | size | si16e | 51250 | 51395 | Siase | 51533 SEZ] si! sies0 | $375 | siez0 | sigee | sizos | siz7e | sizzs | siess | sate | sloie | 6.009 | ec1a5 | 62239 | 62333 ZEA) 86) 5.375 | sreow | sinus | sieis | $:aze | $1905 | sous | Sivoo | oluel | lost | eise | $1270 | S.dod | 6.358 | 2 73] si $i300| sacz_ | sievo | si9se | 5.953 | 62028 | 6.078 {eset | brite trig | ofzsa ! elses | ease | ol3ss | ( g22 Intermediate and longer lengths may be specified by use of whole grip dash numbers only, Nominal grip dimension 275] cquuls grip dash number times , 0625 (rounded to decimal places), Nominal length eyuats nominal wrig plus el ECS] (see Sheer ty, NAS 6303 thru6320 Sawet =: nnn eee SS ee ee ee |
NATIONAL AEROSPACE STANDARD = RESTRICTED USAGE. FOR REPAIR WURK ONLY . ) 0156 and . 0912 Oversise Shank for Replacement of Bolts Shown on Sheet 1 ‘ Heed Marking. Same as on Sheet 1 plus identification Sea Sheet | for dimenstons not shown. ces for overeises se applicable, to be included tn second Hi Teentity 0186 overstee by °X" iF Identify 0312 overciee by °" wm ~ HE Fd Nun ® ES so (NONLOCRING PrATED ” D Diameter .0156 Oversize Shank iz . Bed UNDRILLED SHANK) Nominal Plated or Coated Bolts fs id 0156 Thread ES atk Oversize Size Unplated [Before Cad Plate | Alter Plating “7; | [Undrilled Head [Drilled Head Bolts | or Al Coating or Coating 2 Foe Nas6303-*x | Nas6303-*Hx | 1900-32 [| - 2026 oe ae e tt 6304-*x 6304-*Hx | 2500-28 | «2657 “oes rier x _ His 6305-*x 6308-*Hx | 3125-24 |< 3278 “a2ee ~ 6306-*xX 6306-*Hx | .3750-24 | = 320T neT “3e01 4 ae 6308-*x 6308-*Hx | 5000-20 | pret | BIg a © it 6309-*x 6309-*Hx | 5625-18 | oyan | pee 2 st 6310-*x s210-"Hx | 6250-18 |< ban° roe] mh : ct a9 = ; - 1. 7646 ERE ° ra Ht} Sai2-Hx | .7500-16 | near | 17632 | 7636 5 it 6314-*X 6314-*HX -8750-14 “B891 "B82 “3886 e 2am -* 6316-* - ~~ O14o . 0138 7 5 Hy O816-*X Sa16-"HX | 1.000012 | rorgr | poise | v0136 (e) ‘ts 6318-*x G31e-*HX | 1.1250-12 | 4° 1336 11377 | iti3e1 3 i 6320-*x 6320-*HX | 1.2500-12 | 1" 3636 12627 1, 2631 3 ser * Grip dash number in .0625 increments. See sheet 3 for grip and length dimensions. a Fd For material, finish and procurement information, see sheet 2. & ay ** For unplated ‘bolt, add "U" after basic number. . BH Example: NAS6304U*HX = Drilled head, unplated, .0156 oversize bolt. 3 . < a z g z ‘ & 7 NAS 6303 THRU 6320] . er sHé