← 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 71 of 129

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB338MS24693Screws
MS24693-N338MS24693Screws
MS24693-NB338MS24693Screws
MS24693-S338MS24693Screws
MS24693-U338MS24693Screws
MS24693-338BMS24693Screws
MS24693-A339MS24693Screws
MS24693-B339MS24693Screws
MS24693-BB339MS24693Screws
MS24693-C339MS24693Screws
MS24693-CB339MS24693Screws
MS24693-N339MS24693Screws
MS24693-NB339MS24693Screws
MS24693-S339MS24693Screws
MS24693-U339MS24693Screws
MS24693-339BMS24693Screws
MS24693-A340MS24693Screws
MS24693-B340MS24693Screws
MS24693-BB340MS24693Screws
MS24693-C340MS24693Screws
MS24693-CB340MS24693Screws
MS24693-N340MS24693Screws
MS24693-NB340MS24693Screws
MS24693-S340MS24693Screws
MS24693-U340MS24693Screws
MS24693-340BMS24693Screws
MS24693-A341MS24693Screws
MS24693-B341MS24693Screws
MS24693-BB341MS24693Screws
MS24693-C341MS24693Screws
MS24693-CB341MS24693Screws
MS24693-N341MS24693Screws
MS24693-NB341MS24693Screws
MS24693-S341MS24693Screws
MS24693-U341MS24693Screws
MS24693-341BMS24693Screws
MS24693-A342MS24693Screws
MS24693-B342MS24693Screws
MS24693-BB342MS24693Screws
MS24693-C342MS24693Screws
MS24693-CB342MS24693Screws
MS24693-N342MS24693Screws
MS24693-NB342MS24693Screws
MS24693-S342MS24693Screws
MS24693-U342MS24693Screws
MS24693-342BMS24693Screws
MS24693-A343MS24693Screws
MS24693-B343MS24693Screws
MS24693-BB343MS24693Screws
MS24693-C343MS24693Screws
MS24693-CB343MS24693Screws
MS24693-N343MS24693Screws
MS24693-NB343MS24693Screws
MS24693-S343MS24693Screws
MS24693-U343MS24693Screws
MS24693-343BMS24693Screws
MS24693-A344MS24693Screws
MS24693-B344MS24693Screws
MS24693-BB344MS24693Screws
MS24693-C344MS24693Screws
MS24693-CB344MS24693Screws
MS24693-N344MS24693Screws
MS24693-NB344MS24693Screws
MS24693-S344MS24693Screws
MS24693-U344MS24693Screws
MS24693-344BMS24693Screws
MS24693-A346MS24693Screws
MS24693-B346MS24693Screws
MS24693-BB346MS24693Screws
MS24693-C346MS24693Screws
MS24693-CB346MS24693Screws
MS24693-N346MS24693Screws
MS24693-NB346MS24693Screws
MS24693-S346MS24693Screws
MS24693-U346MS24693Screws
MS24693-346BMS24693Screws
MS24693-A348MS24693Screws
MS24693-B348MS24693Screws
MS24693-BB348MS24693Screws
MS24693-C348MS24693Screws

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