| NAS Fasteners - National Aircraft Standards |
| Configuration |
NAS Number |
Description |
Material |
 |
NAS 144 - NAS 158 |
Internal Wrenching Bolt |
Alloy Steel |
 |
NAS 220 - NAS 224 |
Brazier Head Machine Screws |
Alloy Steel |
 |
NAS 33 - NAS 340 |
100° Flush Head Bolt Phillips Recess |
Alloy Steel |
 |
NAS 464 |
Hex Head Bolt, Close Tolerance |
Alloy Steel |
 |
NAS 501 |
Hex Head Bolt Drilled & Undrilled |
Cres Steel |
 |
NAS 514 |
100° Flat Head Machine Screw Full Threaded |
Alloy Steel |
 |
NAS 517 |
100° Close Tolerance Flush Head Machine Screw |
Alloy Steel |
 |
NAS 560 |
100° Flush Head Machine Screw High Temperature, Non-Magnetic |
CRES Steel A286 |
 |
NAS 563 - NAS 566 |
Indented Hex Head Bolt Full Thread, Drilled head |
Alloy Steel |
 |
NAS 600 - NAS 606 |
Pan Head Machine Screw Phillips Recessed |
Alloy Steel |
 |
NAS 623 |
Pan Head Machine Screw Phillips Recess, Short Thread |
Alloy Steel |
 |
NAS 624 - NAS 632 |
12 Point Machine Bolt |
Alloy Steel |
 |
NAS 653 - NAS 656 |
Hex Head Bolt, Close Tolerance |
Titanium |
 |
NAS 673 - NAS 678 |
Hex Head Bolt, Close Tolerance Drilled Head or Drilled Shank |
Titanium |
 |
NAS 1003 - NAS 1010 |
Hex Head Bolt Drilled Head or Shank, Undrilled |
Cres Steel, A286 |
 |
NAS 1083 |
100* Flush Head Bolt Phillips Recess |
Titanium |
 |
NAS 1103 - NAS 1120 |
Hex Head Bolt Drilled or Undrilled Shank |
Alloy Steel |
 |
NAS 1189 |
100* Flush Head Bolt Self Locking Phillips Recess |
Alloy Steel, A286 |
 |
NAS 1190 |
Pan Head Screw Self Locking. Phillips |
Alloy Steel, A286 |
 |
NAS 1202 - NAS 1208 |
100° Flush Head Bolt Drilled & Undrilled Shank |
Alloy Steel |
 |
NAS 1297 |
Hex Head Shoulder Bolt |
Alloy Steel |
 |
NAS 1303 - NAS 1316 |
Hex Head Bolt Drilled or Undrilled |
Alloy Steel |
 |
NAS 1402 - NAS 1406 |
Pan Head Machine Screw Phillips recess |
Alloy Steel |
 |
NAS 1603 - NAS 1609 |
100° Flush Head Bolt Phillips Recess, 1/32 Oversize |
Alloy Steel |
 |
NAS 1703 - NAS 1709 |
100° Flush Head Bolt Phillips Recess, 1/64 Oversize |
Alloy Steel |
 |
NAS 2903 - NAS 2916 |
Hex Head Bolt Drilled or Undrilled |
Alloy Steel |
 |
NAS 3003 - NAS 3016 |
Hex Head Bolt Drilled or Drilled |
Alloy Steel |
 |
NAS 6203 NAS 6216 |
Hex Head Bolt |
Alloy Steel |
 |
NAS 6303 - NAS 6316 |
Hex Head Bolt |
A286 |
 |
NAS 6403 - NAS 6416 |
Hex Head Bolt |
Titanium |
 |
NAS 6603 - NAS 6616 |
Hex Head Bolt |
Alloy Steel |
 |
NAS 6703 - NAS 6716 |
Hex Head Bolt |
A286 |