← 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 54 of 129

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB121MS24693Screws
MS24693-N121MS24693Screws
MS24693-NB121MS24693Screws
MS24693-S121MS24693Screws
MS24693-U121MS24693Screws
MS24693-121BMS24693Screws
MS24693-A122MS24693Screws
MS24693-B122MS24693Screws
MS24693-BB122MS24693Screws
MS24693-C122MS24693Screws
MS24693-CB122MS24693Screws
MS24693-N122MS24693Screws
MS24693-NB122MS24693Screws
MS24693-S122MS24693Screws
MS24693-U122MS24693Screws
MS24693-122BMS24693Screws
MS24693-A124MS24693Screws
MS24693-B124MS24693Screws
MS24693-BB124MS24693Screws
MS24693-C124MS24693Screws
MS24693-CB124MS24693Screws
MS24693-N124MS24693Screws
MS24693-NB124MS24693Screws
MS24693-S124MS24693Screws
MS24693-U124MS24693Screws
MS24693-124BMS24693Screws
MS24693-A126MS24693Screws
MS24693-B126MS24693Screws
MS24693-BB126MS24693Screws
MS24693-C126MS24693Screws
MS24693-CB126MS24693Screws
MS24693-N126MS24693Screws
MS24693-NB126MS24693Screws
MS24693-S126MS24693Screws
MS24693-U126MS24693Screws
MS24693-126BMS24693Screws
MS24693-A128MS24693Screws
MS24693-B128MS24693Screws
MS24693-BB128MS24693Screws
MS24693-C128MS24693Screws
MS24693-CB128MS24693Screws
MS24693-N128MS24693Screws
MS24693-NB128MS24693Screws
MS24693-S128MS24693Screws
MS24693-U128MS24693Screws
MS24693-128BMS24693Screws
MS24693-A130MS24693Screws
MS24693-B130MS24693Screws
MS24693-BB130MS24693Screws
MS24693-C130MS24693Screws
MS24693-CB130MS24693Screws
MS24693-N130MS24693Screws
MS24693-NB130MS24693Screws
MS24693-S130MS24693Screws
MS24693-U130MS24693Screws
MS24693-130BMS24693Screws
MS24693-A132MS24693Screws
MS24693-B132MS24693Screws
MS24693-BB132MS24693Screws
MS24693-C132MS24693Screws
MS24693-CB132MS24693Screws
MS24693-N132MS24693Screws
MS24693-NB132MS24693Screws
MS24693-S132MS24693Screws
MS24693-U132MS24693Screws
MS24693-132BMS24693Screws
MS24693-A138MS24693Screws
MS24693-B138MS24693Screws
MS24693-BB138MS24693Screws
MS24693-C138MS24693Screws
MS24693-CB138MS24693Screws
MS24693-N138MS24693Screws
MS24693-NB138MS24693Screws
MS24693-S138MS24693Screws
MS24693-U138MS24693Screws
MS24693-138BMS24693Screws
MS24693-A139MS24693Screws
MS24693-B139MS24693Screws
MS24693-BB139MS24693Screws
MS24693-C139MS24693Screws

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