← 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 57 of 129

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB422MS24693Screws
MS24693-N422MS24693Screws
MS24693-NB422MS24693Screws
MS24693-S422MS24693Screws
MS24693-U422MS24693Screws
MS24693-422BMS24693Screws
MS24693-A423MS24693Screws
MS24693-B423MS24693Screws
MS24693-BB423MS24693Screws
MS24693-C423MS24693Screws
MS24693-CB423MS24693Screws
MS24693-N423MS24693Screws
MS24693-NB423MS24693Screws
MS24693-S423MS24693Screws
MS24693-U423MS24693Screws
MS24693-423BMS24693Screws
MS24693-A424MS24693Screws
MS24693-B424MS24693Screws
MS24693-BB424MS24693Screws
MS24693-C424MS24693Screws
MS24693-CB424MS24693Screws
MS24693-N424MS24693Screws
MS24693-NB424MS24693Screws
MS24693-S424MS24693Screws
MS24693-U424MS24693Screws
MS24693-424BMS24693Screws
MS24693-A425MS24693Screws
MS24693-B425MS24693Screws
MS24693-BB425MS24693Screws
MS24693-C425MS24693Screws
MS24693-CB425MS24693Screws
MS24693-N425MS24693Screws
MS24693-NB425MS24693Screws
MS24693-S425MS24693Screws
MS24693-U425MS24693Screws
MS24693-425BMS24693Screws
MS24693-A201MS24693Screws
MS24693-B201MS24693Screws
MS24693-BB201MS24693Screws
MS24693-C201MS24693Screws
MS24693-CB201MS24693Screws
MS24693-N201MS24693Screws
MS24693-NB201MS24693Screws
MS24693-S201MS24693Screws
MS24693-U201MS24693Screws
MS24693-201BMS24693Screws
MS24693-A202MS24693Screws
MS24693-B202MS24693Screws
MS24693-BB202MS24693Screws
MS24693-C202MS24693Screws
MS24693-CB202MS24693Screws
MS24693-N202MS24693Screws
MS24693-NB202MS24693Screws
MS24693-S202MS24693Screws
MS24693-U202MS24693Screws
MS24693-202BMS24693Screws
MS24693-A203MS24693Screws
MS24693-B203MS24693Screws
MS24693-BB203MS24693Screws
MS24693-C203MS24693Screws
MS24693-CB203MS24693Screws
MS24693-N203MS24693Screws
MS24693-NB203MS24693Screws
MS24693-S203MS24693Screws
MS24693-U203MS24693Screws
MS24693-203BMS24693Screws
MS24693-A204MS24693Screws
MS24693-B204MS24693Screws
MS24693-BB204MS24693Screws
MS24693-C204MS24693Screws
MS24693-CB204MS24693Screws
MS24693-N204MS24693Screws
MS24693-NB204MS24693Screws
MS24693-S204MS24693Screws
MS24693-U204MS24693Screws
MS24693-204BMS24693Screws
MS24693-A205MS24693Screws
MS24693-B205MS24693Screws
MS24693-BB205MS24693Screws
MS24693-C205MS24693Screws

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.

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