← 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 53 of 72

Standard hardware part numbers
Part numberSeriesHardware
MS27039C5-18MS27039Screws
MS27039DD5-19MS27039Screws
MS27039BP5-19MS27039Screws
MS27039B5-19MS27039Screws
MS27039-5-19MS27039Screws
MS27039C5-19MS27039Screws
MS27039DD5-20MS27039Screws
MS27039BP5-20MS27039Screws
MS27039B5-20MS27039Screws
MS27039-5-20MS27039Screws
MS27039C5-20MS27039Screws
MS27039DD5-21MS27039Screws
MS27039BP5-21MS27039Screws
MS27039B5-21MS27039Screws
MS27039-5-21MS27039Screws
MS27039C5-21MS27039Screws
MS27039DD5-22MS27039Screws
MS27039BP5-22MS27039Screws
MS27039B5-22MS27039Screws
MS27039-5-22MS27039Screws
MS27039C5-22MS27039Screws
MS27039DD5-23MS27039Screws
MS27039BP5-23MS27039Screws
MS27039B5-23MS27039Screws
MS27039-5-23MS27039Screws
MS27039C5-23MS27039Screws
MS27039DD5-24MS27039Screws
MS27039BP5-24MS27039Screws
MS27039B5-24MS27039Screws
MS27039-5-24MS27039Screws
MS27039C5-24MS27039Screws
MS27039DD5-25MS27039Screws
MS27039BP5-25MS27039Screws
MS27039B5-25MS27039Screws
MS27039-5-25MS27039Screws
MS27039C5-25MS27039Screws
MS27039DD5-26MS27039Screws
MS27039BP5-26MS27039Screws
MS27039B5-26MS27039Screws
MS27039-5-26MS27039Screws
MS27039C5-26MS27039Screws
MS27039DD5-27MS27039Screws
MS27039BP5-27MS27039Screws
MS27039B5-27MS27039Screws
MS27039-5-27MS27039Screws
MS27039C5-27MS27039Screws
MS27039DD5-28MS27039Screws
MS27039BP5-28MS27039Screws
MS27039B5-28MS27039Screws
MS27039-5-28MS27039Screws
MS27039C5-28MS27039Screws
MS27039DD5-29MS27039Screws
MS27039BP5-29MS27039Screws
MS27039B5-29MS27039Screws
MS27039-5-29MS27039Screws
MS27039C5-29MS27039Screws
MS27039DD5-30MS27039Screws
MS27039BP5-30MS27039Screws
MS27039B5-30MS27039Screws
MS27039-5-30MS27039Screws
MS27039C5-30MS27039Screws
MS27039DD5-31MS27039Screws
MS27039BP5-31MS27039Screws
MS27039B5-31MS27039Screws
MS27039-5-31MS27039Screws
MS27039C5-31MS27039Screws
MS27039DD5-32MS27039Screws
MS27039BP5-32MS27039Screws
MS27039B5-32MS27039Screws
MS27039-5-32MS27039Screws
MS27039C5-32MS27039Screws
MS27039DD5-33MS27039Screws
MS27039BP5-33MS27039Screws
MS27039B5-33MS27039Screws
MS27039-5-33MS27039Screws
MS27039C5-33MS27039Screws
MS27039DD5-34MS27039Screws
MS27039BP5-34MS27039Screws
MS27039B5-34MS27039Screws
MS27039-5-34MS27039Screws

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