← 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 17 of 72

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB23MS24693Screws
MS24693-N23MS24693Screws
MS24693-NB23MS24693Screws
MS24693-S23MS24693Screws
MS24693-U23MS24693Screws
MS24693-23BMS24693Screws
MS24693-A24MS24693Screws
MS24693-B24MS24693Screws
MS24693-BB24MS24693Screws
MS24693-C24MS24693Screws
MS24693-CB24MS24693Screws
MS24693-N24MS24693Screws
MS24693-NB24MS24693Screws
MS24693-S24MS24693Screws
MS24693-U24MS24693Screws
MS24693-24BMS24693Screws
MS24693-A25MS24693Screws
MS24693-B25MS24693Screws
MS24693-BB25MS24693Screws
MS24693-C25MS24693Screws
MS24693-CB25MS24693Screws
MS24693-N25MS24693Screws
MS24693-NB25MS24693Screws
MS24693-S25MS24693Screws
MS24693-U25MS24693Screws
MS24693-25BMS24693Screws
MS24693-A26MS24693Screws
MS24693-B26MS24693Screws
MS24693-BB26MS24693Screws
MS24693-C26MS24693Screws
MS24693-CB26MS24693Screws
MS24693-N26MS24693Screws
MS24693-NB26MS24693Screws
MS24693-S26MS24693Screws
MS24693-U26MS24693Screws
MS24693-26BMS24693Screws
MS24693-A27MS24693Screws
MS24693-B27MS24693Screws
MS24693-BB27MS24693Screws
MS24693-C27MS24693Screws
MS24693-CB27MS24693Screws
MS24693-N27MS24693Screws
MS24693-NB27MS24693Screws
MS24693-S27MS24693Screws
MS24693-U27MS24693Screws
MS24693-27BMS24693Screws
MS24693-A28MS24693Screws
MS24693-B28MS24693Screws
MS24693-BB28MS24693Screws
MS24693-C28MS24693Screws
MS24693-CB28MS24693Screws
MS24693-N28MS24693Screws
MS24693-NB28MS24693Screws
MS24693-S28MS24693Screws
MS24693-U28MS24693Screws
MS24693-28BMS24693Screws
MS24693-A29MS24693Screws
MS24693-B29MS24693Screws
MS24693-BB29MS24693Screws
MS24693-C29MS24693Screws
MS24693-CB29MS24693Screws
MS24693-N29MS24693Screws
MS24693-NB29MS24693Screws
MS24693-S29MS24693Screws
MS24693-U29MS24693Screws
MS24693-29BMS24693Screws
MS24693-A30MS24693Screws
MS24693-B30MS24693Screws
MS24693-BB30MS24693Screws
MS24693-C30MS24693Screws
MS24693-CB30MS24693Screws
MS24693-N30MS24693Screws
MS24693-NB30MS24693Screws
MS24693-S30MS24693Screws
MS24693-U30MS24693Screws
MS24693-30BMS24693Screws
MS24693-A31MS24693Screws
MS24693-B31MS24693Screws
MS24693-BB31MS24693Screws
MS24693-C31MS24693Screws

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