← 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 65 of 129

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB272MS24693Screws
MS24693-N272MS24693Screws
MS24693-NB272MS24693Screws
MS24693-S272MS24693Screws
MS24693-U272MS24693Screws
MS24693-272BMS24693Screws
MS24693-A273MS24693Screws
MS24693-B273MS24693Screws
MS24693-BB273MS24693Screws
MS24693-C273MS24693Screws
MS24693-CB273MS24693Screws
MS24693-N273MS24693Screws
MS24693-NB273MS24693Screws
MS24693-S273MS24693Screws
MS24693-U273MS24693Screws
MS24693-273BMS24693Screws
MS24693-A274MS24693Screws
MS24693-B274MS24693Screws
MS24693-BB274MS24693Screws
MS24693-C274MS24693Screws
MS24693-CB274MS24693Screws
MS24693-N274MS24693Screws
MS24693-NB274MS24693Screws
MS24693-S274MS24693Screws
MS24693-U274MS24693Screws
MS24693-274BMS24693Screws
MS24693-A275MS24693Screws
MS24693-B275MS24693Screws
MS24693-BB275MS24693Screws
MS24693-C275MS24693Screws
MS24693-CB275MS24693Screws
MS24693-N275MS24693Screws
MS24693-NB275MS24693Screws
MS24693-S275MS24693Screws
MS24693-U275MS24693Screws
MS24693-275BMS24693Screws
MS24693-A276MS24693Screws
MS24693-B276MS24693Screws
MS24693-BB276MS24693Screws
MS24693-C276MS24693Screws
MS24693-CB276MS24693Screws
MS24693-N276MS24693Screws
MS24693-NB276MS24693Screws
MS24693-S276MS24693Screws
MS24693-U276MS24693Screws
MS24693-276BMS24693Screws
MS24693-A277MS24693Screws
MS24693-B277MS24693Screws
MS24693-BB277MS24693Screws
MS24693-C277MS24693Screws
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

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