← 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.

5710 references · page 37 of 72

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB277MS24693Screws
MS24693-N277MS24693Screws
MS24693-NB277MS24693Screws
MS24693-S277MS24693Screws
MS24693-U277MS24693Screws
MS24693-277BMS24693Screws
MS24693-A278MS24693Screws
MS24693-B278MS24693Screws
MS24693-BB278MS24693Screws
MS24693-C278MS24693Screws
MS24693-CB278MS24693Screws
MS24693-N278MS24693Screws
MS24693-NB278MS24693Screws
MS24693-S278MS24693Screws
MS24693-U278MS24693Screws
MS24693-278BMS24693Screws
MS24693-A279MS24693Screws
MS24693-B279MS24693Screws
MS24693-BB279MS24693Screws
MS24693-C279MS24693Screws
MS24693-CB279MS24693Screws
MS24693-N279MS24693Screws
MS24693-NB279MS24693Screws
MS24693-S279MS24693Screws
MS24693-U279MS24693Screws
MS24693-279BMS24693Screws
MS24693-A280MS24693Screws
MS24693-B280MS24693Screws
MS24693-BB280MS24693Screws
MS24693-C280MS24693Screws
MS24693-CB280MS24693Screws
MS24693-N280MS24693Screws
MS24693-NB280MS24693Screws
MS24693-S280MS24693Screws
MS24693-U280MS24693Screws
MS24693-280BMS24693Screws
MS24693-A281MS24693Screws
MS24693-B281MS24693Screws
MS24693-BB281MS24693Screws
MS24693-C281MS24693Screws
MS24693-CB281MS24693Screws
MS24693-N281MS24693Screws
MS24693-NB281MS24693Screws
MS24693-S281MS24693Screws
MS24693-U281MS24693Screws
MS24693-281BMS24693Screws
MS24693-A282MS24693Screws
MS24693-B282MS24693Screws
MS24693-BB282MS24693Screws
MS24693-C282MS24693Screws
MS24693-CB282MS24693Screws
MS24693-N282MS24693Screws
MS24693-NB282MS24693Screws
MS24693-S282MS24693Screws
MS24693-U282MS24693Screws
MS24693-282BMS24693Screws
MS24693-A283MS24693Screws
MS24693-B283MS24693Screws
MS24693-BB283MS24693Screws
MS24693-C283MS24693Screws
MS24693-CB283MS24693Screws
MS24693-N283MS24693Screws
MS24693-NB283MS24693Screws
MS24693-S283MS24693Screws
MS24693-U283MS24693Screws
MS24693-283BMS24693Screws
MS24693-A284MS24693Screws
MS24693-B284MS24693Screws
MS24693-BB284MS24693Screws
MS24693-C284MS24693Screws
MS24693-CB284MS24693Screws
MS24693-N284MS24693Screws
MS24693-NB284MS24693Screws
MS24693-S284MS24693Screws
MS24693-U284MS24693Screws
MS24693-284BMS24693Screws
MS24693-A285MS24693Screws
MS24693-B285MS24693Screws
MS24693-BB285MS24693Screws
MS24693-C285MS24693Screws

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.

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