← 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 55 of 129

Standard hardware part numbers
Part numberSeriesHardware
MS24693-CB139MS24693Screws
MS24693-N139MS24693Screws
MS24693-NB139MS24693Screws
MS24693-S139MS24693Screws
MS24693-U139MS24693Screws
MS24693-139BMS24693Screws
MS24693-A140MS24693Screws
MS24693-B140MS24693Screws
MS24693-BB140MS24693Screws
MS24693-C140MS24693Screws
MS24693-CB140MS24693Screws
MS24693-N140MS24693Screws
MS24693-NB140MS24693Screws
MS24693-S140MS24693Screws
MS24693-U140MS24693Screws
MS24693-140BMS24693Screws
MS24693-A141MS24693Screws
MS24693-B141MS24693Screws
MS24693-BB141MS24693Screws
MS24693-C141MS24693Screws
MS24693-CB141MS24693Screws
MS24693-N141MS24693Screws
MS24693-NB141MS24693Screws
MS24693-S141MS24693Screws
MS24693-U141MS24693Screws
MS24693-141BMS24693Screws
MS24693-A142MS24693Screws
MS24693-B142MS24693Screws
MS24693-BB142MS24693Screws
MS24693-C142MS24693Screws
MS24693-CB142MS24693Screws
MS24693-N142MS24693Screws
MS24693-NB142MS24693Screws
MS24693-S142MS24693Screws
MS24693-U142MS24693Screws
MS24693-142BMS24693Screws
MS24693-A143MS24693Screws
MS24693-B143MS24693Screws
MS24693-BB143MS24693Screws
MS24693-C143MS24693Screws
MS24693-CB143MS24693Screws
MS24693-N143MS24693Screws
MS24693-NB143MS24693Screws
MS24693-S143MS24693Screws
MS24693-U143MS24693Screws
MS24693-143BMS24693Screws
MS24693-A144MS24693Screws
MS24693-B144MS24693Screws
MS24693-BB144MS24693Screws
MS24693-C144MS24693Screws
MS24693-CB144MS24693Screws
MS24693-N144MS24693Screws
MS24693-NB144MS24693Screws
MS24693-S144MS24693Screws
MS24693-U144MS24693Screws
MS24693-144BMS24693Screws
MS24693-A146MS24693Screws
MS24693-B146MS24693Screws
MS24693-BB146MS24693Screws
MS24693-C146MS24693Screws
MS24693-CB146MS24693Screws
MS24693-N146MS24693Screws
MS24693-NB146MS24693Screws
MS24693-S146MS24693Screws
MS24693-U146MS24693Screws
MS24693-146BMS24693Screws
MS24693-A148MS24693Screws
MS24693-B148MS24693Screws
MS24693-BB148MS24693Screws
MS24693-C148MS24693Screws
MS24693-CB148MS24693Screws
MS24693-N148MS24693Screws
MS24693-NB148MS24693Screws
MS24693-S148MS24693Screws
MS24693-U148MS24693Screws
MS24693-148BMS24693Screws
MS24693-A150MS24693Screws
MS24693-B150MS24693Screws
MS24693-BB150MS24693Screws
MS24693-C150MS24693Screws

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