← 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 59 of 72

Standard hardware part numbers
Part numberSeriesHardware
MS27039C7-27MS27039Screws
MS27039DD7-28MS27039Screws
MS27039BP7-28MS27039Screws
MS27039B7-28MS27039Screws
MS27039-7-28MS27039Screws
MS27039C7-28MS27039Screws
MS27039DD7-29MS27039Screws
MS27039BP7-29MS27039Screws
MS27039B7-29MS27039Screws
MS27039-7-29MS27039Screws
MS27039C7-29MS27039Screws
MS27039DD7-30MS27039Screws
MS27039BP7-30MS27039Screws
MS27039B7-30MS27039Screws
MS27039-7-30MS27039Screws
MS27039C7-30MS27039Screws
MS27039DD7-31MS27039Screws
MS27039BP7-31MS27039Screws
MS27039B7-31MS27039Screws
MS27039-7-31MS27039Screws
MS27039C7-31MS27039Screws
MS27039DD7-32MS27039Screws
MS27039BP7-32MS27039Screws
MS27039B7-32MS27039Screws
MS27039-7-32MS27039Screws
MS27039C7-32MS27039Screws
MS27039DD7-33MS27039Screws
MS27039BP7-33MS27039Screws
MS27039B7-33MS27039Screws
MS27039-7-33MS27039Screws
MS27039C7-33MS27039Screws
MS27039DD7-34MS27039Screws
MS27039BP7-34MS27039Screws
MS27039B7-34MS27039Screws
MS27039-7-34MS27039Screws
MS27039C7-34MS27039Screws
MS27039DD7-35MS27039Screws
MS27039BP7-35MS27039Screws
MS27039B7-35MS27039Screws
MS27039-7-35MS27039Screws
MS27039C7-35MS27039Screws
MS27039DD7-36MS27039Screws
MS27039BP7-36MS27039Screws
MS27039B7-36MS27039Screws
MS27039-7-36MS27039Screws
MS27039C7-36MS27039Screws
MS27039DD7-37MS27039Screws
MS27039BP7-37MS27039Screws
MS27039B7-37MS27039Screws
MS27039-7-37MS27039Screws
MS27039C7-37MS27039Screws
MS27039DD7-38MS27039Screws
MS27039BP7-38MS27039Screws
MS27039B7-38MS27039Screws
MS27039-7-38MS27039Screws
MS27039C7-38MS27039Screws
MS27039DD7-39MS27039Screws
MS27039BP7-39MS27039Screws
MS27039B7-39MS27039Screws
MS27039-7-39MS27039Screws
MS27039C7-39MS27039Screws
MS27039DD7-40MS27039Screws
MS27039BP7-40MS27039Screws
MS27039B7-40MS27039Screws
MS27039-7-40MS27039Screws
MS27039C7-40MS27039Screws
MS27039DD7-41MS27039Screws
MS27039BP7-41MS27039Screws
MS27039B7-41MS27039Screws
MS27039-7-41MS27039Screws
MS27039C7-41MS27039Screws
MS27039DD7-42MS27039Screws
MS27039BP7-42MS27039Screws
MS27039B7-42MS27039Screws
MS27039-7-42MS27039Screws
MS27039C7-42MS27039Screws
MS27039DD7-43MS27039Screws
MS27039BP7-43MS27039Screws
MS27039B7-43MS27039Screws
MS27039-7-43MS27039Screws

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