MS27039C4-20: BACS12GU4K20

MS27039C4-20

What it is: MS27039 structural screw, pan head, Pan head, structural, cross recessed, .250-28 UNF-3A (dash 4-20), length 1.281", grip .750"
Equivalents: BACS12GU4K20BoeingCatalog onlySame NSN 5305-01-685-1080 (government catalog). Not a maker's approval: confirm on the drawing.
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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Identical or approved-alternate part numbers, each with the document that states it.

No sourced equivalent on file for MS27039. SpecLok only lists an equivalent when a manufacturer or government document states it.

Possible NASM form, to verify: MS27039 / NASM27039. 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 MS90353U Notice 1: canceled and superseded by NASM90353, part numbers identical (everyspec) ↗