NAS1291C4

What it is: NAS1291 nut, thread .2500-28UNJF-3B (ESNA LF3858-4, catalog p.23 / PDF p.25)
Equivalents: No equivalent on file: no maker document names one and the government catalog lists none on its stock number.
Install tooling, by who made the part: Not documented for this part number. Ask a tooling specialist →

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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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Drop-in equivalents

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

No sourced equivalent on file for NAS1291C4. SpecLok only lists an equivalent when a manufacturer or government document states it.