← 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 79 of 129

Standard hardware part numbers
Part numberSeriesHardware
MS27039C4-20MS27039Screws
MS27039DD4-21MS27039Screws
MS27039BP4-21MS27039Screws
MS27039B4-21MS27039Screws
MS27039-4-21MS27039Screws
MS27039C4-21MS27039Screws
MS27039DD4-22MS27039Screws
MS27039BP4-22MS27039Screws
MS27039B4-22MS27039Screws
MS27039-4-22MS27039Screws
MS27039C4-22MS27039Screws
MS27039DD4-23MS27039Screws
MS27039BP4-23MS27039Screws
MS27039B4-23MS27039Screws
MS27039-4-23MS27039Screws
MS27039C4-23MS27039Screws
MS27039DD4-24MS27039Screws
MS27039BP4-24MS27039Screws
MS27039B4-24MS27039Screws
MS27039-4-24MS27039Screws
MS27039C4-24MS27039Screws
MS27039DD4-25MS27039Screws
MS27039BP4-25MS27039Screws
MS27039B4-25MS27039Screws
MS27039-4-25MS27039Screws
MS27039C4-25MS27039Screws
MS27039DD4-26MS27039Screws
MS27039BP4-26MS27039Screws
MS27039B4-26MS27039Screws
MS27039-4-26MS27039Screws
MS27039C4-26MS27039Screws
MS27039DD4-27MS27039Screws
MS27039BP4-27MS27039Screws
MS27039B4-27MS27039Screws
MS27039-4-27MS27039Screws
MS27039C4-27MS27039Screws
MS27039DD4-28MS27039Screws
MS27039BP4-28MS27039Screws
MS27039B4-28MS27039Screws
MS27039-4-28MS27039Screws
MS27039C4-28MS27039Screws
MS27039DD4-29MS27039Screws
MS27039BP4-29MS27039Screws
MS27039B4-29MS27039Screws
MS27039-4-29MS27039Screws
MS27039C4-29MS27039Screws
MS27039DD4-30MS27039Screws
MS27039BP4-30MS27039Screws
MS27039B4-30MS27039Screws
MS27039-4-30MS27039Screws
MS27039C4-30MS27039Screws
MS27039DD4-31MS27039Screws
MS27039BP4-31MS27039Screws
MS27039B4-31MS27039Screws
MS27039-4-31MS27039Screws
MS27039C4-31MS27039Screws
MS27039DD4-32MS27039Screws
MS27039BP4-32MS27039Screws
MS27039B4-32MS27039Screws
MS27039-4-32MS27039Screws
MS27039C4-32MS27039Screws
MS27039DD4-33MS27039Screws
MS27039BP4-33MS27039Screws
MS27039B4-33MS27039Screws
MS27039-4-33MS27039Screws
MS27039C4-33MS27039Screws
MS27039DD4-34MS27039Screws
MS27039BP4-34MS27039Screws
MS27039B4-34MS27039Screws
MS27039-4-34MS27039Screws
MS27039C4-34MS27039Screws
MS27039DD4-35MS27039Screws
MS27039BP4-35MS27039Screws
MS27039B4-35MS27039Screws
MS27039-4-35MS27039Screws
MS27039C4-35MS27039Screws
MS27039DD4-36MS27039Screws
MS27039BP4-36MS27039Screws
MS27039B4-36MS27039Screws
MS27039-4-36MS27039Screws

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