← 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 70 of 129

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB320MS24693Screws
MS24693-N320MS24693Screws
MS24693-NB320MS24693Screws
MS24693-S320MS24693Screws
MS24693-U320MS24693Screws
MS24693-320BMS24693Screws
MS24693-A321MS24693Screws
MS24693-B321MS24693Screws
MS24693-BB321MS24693Screws
MS24693-C321MS24693Screws
MS24693-CB321MS24693Screws
MS24693-N321MS24693Screws
MS24693-NB321MS24693Screws
MS24693-S321MS24693Screws
MS24693-U321MS24693Screws
MS24693-321BMS24693Screws
MS24693-A322MS24693Screws
MS24693-B322MS24693Screws
MS24693-BB322MS24693Screws
MS24693-C322MS24693Screws
MS24693-CB322MS24693Screws
MS24693-N322MS24693Screws
MS24693-NB322MS24693Screws
MS24693-S322MS24693Screws
MS24693-U322MS24693Screws
MS24693-322BMS24693Screws
MS24693-A324MS24693Screws
MS24693-B324MS24693Screws
MS24693-BB324MS24693Screws
MS24693-C324MS24693Screws
MS24693-CB324MS24693Screws
MS24693-N324MS24693Screws
MS24693-NB324MS24693Screws
MS24693-S324MS24693Screws
MS24693-U324MS24693Screws
MS24693-324BMS24693Screws
MS24693-A326MS24693Screws
MS24693-B326MS24693Screws
MS24693-BB326MS24693Screws
MS24693-C326MS24693Screws
MS24693-CB326MS24693Screws
MS24693-N326MS24693Screws
MS24693-NB326MS24693Screws
MS24693-S326MS24693Screws
MS24693-U326MS24693Screws
MS24693-326BMS24693Screws
MS24693-A328MS24693Screws
MS24693-B328MS24693Screws
MS24693-BB328MS24693Screws
MS24693-C328MS24693Screws
MS24693-CB328MS24693Screws
MS24693-N328MS24693Screws
MS24693-NB328MS24693Screws
MS24693-S328MS24693Screws
MS24693-U328MS24693Screws
MS24693-328BMS24693Screws
MS24693-A330MS24693Screws
MS24693-B330MS24693Screws
MS24693-BB330MS24693Screws
MS24693-C330MS24693Screws
MS24693-CB330MS24693Screws
MS24693-N330MS24693Screws
MS24693-NB330MS24693Screws
MS24693-S330MS24693Screws
MS24693-U330MS24693Screws
MS24693-330BMS24693Screws
MS24693-A332MS24693Screws
MS24693-B332MS24693Screws
MS24693-BB332MS24693Screws
MS24693-C332MS24693Screws
MS24693-CB332MS24693Screws
MS24693-N332MS24693Screws
MS24693-NB332MS24693Screws
MS24693-S332MS24693Screws
MS24693-U332MS24693Screws
MS24693-332BMS24693Screws
MS24693-A338MS24693Screws
MS24693-B338MS24693Screws
MS24693-BB338MS24693Screws
MS24693-C338MS24693Screws

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