← Fastener catalog

AN / MS / NAS standard hardware

Bolts, nuts, washers, screws, cotter pins and safety wire. Each page identifies the source, what it establishes, and any unreadable or unverified fields. Manufacturer nut mappings are labeled separately from standard-sheet decodes.

10280 references · page 47 of 129

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB34MS24693Screws
MS24693-N34MS24693Screws
MS24693-NB34MS24693Screws
MS24693-S34MS24693Screws
MS24693-U34MS24693Screws
MS24693-34BMS24693Screws
MS24693-A36MS24693Screws
MS24693-B36MS24693Screws
MS24693-BB36MS24693Screws
MS24693-C36MS24693Screws
MS24693-CB36MS24693Screws
MS24693-N36MS24693Screws
MS24693-NB36MS24693Screws
MS24693-S36MS24693Screws
MS24693-U36MS24693Screws
MS24693-36BMS24693Screws
MS24693-A38MS24693Screws
MS24693-B38MS24693Screws
MS24693-BB38MS24693Screws
MS24693-C38MS24693Screws
MS24693-CB38MS24693Screws
MS24693-N38MS24693Screws
MS24693-NB38MS24693Screws
MS24693-S38MS24693Screws
MS24693-U38MS24693Screws
MS24693-38BMS24693Screws
MS24693-A40MS24693Screws
MS24693-B40MS24693Screws
MS24693-BB40MS24693Screws
MS24693-C40MS24693Screws
MS24693-CB40MS24693Screws
MS24693-N40MS24693Screws
MS24693-NB40MS24693Screws
MS24693-S40MS24693Screws
MS24693-U40MS24693Screws
MS24693-40BMS24693Screws
MS24693-A42MS24693Screws
MS24693-B42MS24693Screws
MS24693-BB42MS24693Screws
MS24693-C42MS24693Screws
MS24693-CB42MS24693Screws
MS24693-N42MS24693Screws
MS24693-NB42MS24693Screws
MS24693-S42MS24693Screws
MS24693-U42MS24693Screws
MS24693-42BMS24693Screws
MS24693-A46MS24693Screws
MS24693-B46MS24693Screws
MS24693-BB46MS24693Screws
MS24693-C46MS24693Screws
MS24693-CB46MS24693Screws
MS24693-N46MS24693Screws
MS24693-NB46MS24693Screws
MS24693-S46MS24693Screws
MS24693-U46MS24693Screws
MS24693-46BMS24693Screws
MS24693-A47MS24693Screws
MS24693-B47MS24693Screws
MS24693-BB47MS24693Screws
MS24693-C47MS24693Screws
MS24693-CB47MS24693Screws
MS24693-N47MS24693Screws
MS24693-NB47MS24693Screws
MS24693-S47MS24693Screws
MS24693-U47MS24693Screws
MS24693-47BMS24693Screws
MS24693-A48MS24693Screws
MS24693-B48MS24693Screws
MS24693-BB48MS24693Screws
MS24693-C48MS24693Screws
MS24693-CB48MS24693Screws
MS24693-N48MS24693Screws
MS24693-NB48MS24693Screws
MS24693-S48MS24693Screws
MS24693-U48MS24693Screws
MS24693-48BMS24693Screws
MS24693-A49MS24693Screws
MS24693-B49MS24693Screws
MS24693-BB49MS24693Screws
MS24693-C49MS24693Screws

Additional series recognized by the decoder

AN310, AN315, AN316 and AN320 nuts; NAS6203–6220, NAS6603–6620, NAS464 and NAS1103–1120 bolts; NAS514, NAS1096, NAS1189, NAS1351/1352 and NAS1580/1581. Unverified dash fields stay undecoded. Educational-only NAS bolt catalog rows are excluded from this index.

AN310AN315AN316AN320AN364AN365MS20364MS20365MS21042MS21043MS21044MS21045NAS1021NAS1022NAS1291NAS6203NAS6603NAS464NAS514

Which spec replaces which

What the public cancellation notices say for common pairs, and what they leave out.

FAA torque reference and conditions →

Reference only: the controlling drawing, its process spec and the manufacturer's installation instructions govern. How to use these answers