← 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.

5710 references · page 47 of 72

Standard hardware part numbers
Part numberSeriesHardware
MS27039C1-19MS27039Screws
MS27039DD1-20MS27039Screws
MS27039BP1-20MS27039Screws
MS27039B1-20MS27039Screws
MS27039-1-20MS27039Screws
MS27039C1-20MS27039Screws
MS27039DD1-21MS27039Screws
MS27039BP1-21MS27039Screws
MS27039B1-21MS27039Screws
MS27039-1-21MS27039Screws
MS27039C1-21MS27039Screws
MS27039DD1-22MS27039Screws
MS27039BP1-22MS27039Screws
MS27039B1-22MS27039Screws
MS27039-1-22MS27039Screws
MS27039C1-22MS27039Screws
MS27039DD1-23MS27039Screws
MS27039BP1-23MS27039Screws
MS27039B1-23MS27039Screws
MS27039-1-23MS27039Screws
MS27039C1-23MS27039Screws
MS27039DD1-24MS27039Screws
MS27039BP1-24MS27039Screws
MS27039B1-24MS27039Screws
MS27039-1-24MS27039Screws
MS27039C1-24MS27039Screws
MS27039DD1-25MS27039Screws
MS27039BP1-25MS27039Screws
MS27039B1-25MS27039Screws
MS27039-1-25MS27039Screws
MS27039C1-25MS27039Screws
MS27039DD1-26MS27039Screws
MS27039BP1-26MS27039Screws
MS27039B1-26MS27039Screws
MS27039-1-26MS27039Screws
MS27039C1-26MS27039Screws
MS27039DD1-27MS27039Screws
MS27039BP1-27MS27039Screws
MS27039B1-27MS27039Screws
MS27039-1-27MS27039Screws
MS27039C1-27MS27039Screws
MS27039DD1-28MS27039Screws
MS27039BP1-28MS27039Screws
MS27039B1-28MS27039Screws
MS27039-1-28MS27039Screws
MS27039C1-28MS27039Screws
MS27039DD1-29MS27039Screws
MS27039BP1-29MS27039Screws
MS27039B1-29MS27039Screws
MS27039-1-29MS27039Screws
MS27039C1-29MS27039Screws
MS27039DD1-30MS27039Screws
MS27039BP1-30MS27039Screws
MS27039B1-30MS27039Screws
MS27039-1-30MS27039Screws
MS27039C1-30MS27039Screws
MS27039DD1-31MS27039Screws
MS27039BP1-31MS27039Screws
MS27039B1-31MS27039Screws
MS27039-1-31MS27039Screws
MS27039C1-31MS27039Screws
MS27039DD1-32MS27039Screws
MS27039BP1-32MS27039Screws
MS27039B1-32MS27039Screws
MS27039-1-32MS27039Screws
MS27039C1-32MS27039Screws
MS27039DD1-33MS27039Screws
MS27039BP1-33MS27039Screws
MS27039B1-33MS27039Screws
MS27039-1-33MS27039Screws
MS27039C1-33MS27039Screws
MS27039DD1-34MS27039Screws
MS27039BP1-34MS27039Screws
MS27039B1-34MS27039Screws
MS27039-1-34MS27039Screws
MS27039C1-34MS27039Screws
MS27039DD1-35MS27039Screws
MS27039BP1-35MS27039Screws
MS27039B1-35MS27039Screws
MS27039-1-35MS27039Screws

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