MS21042-L5: NAS1291-5, NAS679A5

MS21042-L5

What it is: MS21042: Nut
Equivalents: NAS1291-5NASCatalog onlySame NSN 5310-00-807-1476 (government catalog). Not a maker's approval: confirm on the drawing.
NAS679A5NASCatalog onlySame NSN 5310-00-807-1476 (government catalog). Not a maker's approval: confirm on the drawing.
+12 more reference numbers in the detail below.
Install tooling, by who made the part: Not documented for this part number. Ask a tooling specialist →

Qty

Reference only: the drawing and its process spec govern. How to read this

Full detail: decode, cited documents, every stock number

Install tooling, by who made the partNot documented for this part number.

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Identical or approved-alternate part numbers, each with the document that states it.

No sourced equivalent on file for MS21042. SpecLok only lists an equivalent when a manufacturer or government document states it.

Possible NASM form, to verify: MS21042 / NASM21042. If a conversion exists, NASM is the converted form of the MS standard with an identical part number (e.g. MS90353U Notice 1). Not every MS has a NASM successor: verify the NASM document exists; the part may still be stocked as MS. MS90353U Notice 1: canceled and superseded by NASM90353, part numbers identical (everyspec) ↗