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MS21209F4-10P

Helicoil Insert

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Description

Helicoil Insert

Specifications

Insert Size 0.326 in. max 0.306 in. min
Length 0.250
NIIN 01-030-4996
NSN 5325-01-030-4996
Style Designator Coil
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 federal specification single treatment response
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 0.250
Weight 0.001 lb

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

No interchangeable or dimensionally similar parts are on record for MS21209F4-10P. Try the cross-reference lookup to search by a different part number.

Catalog data updated 2026-07-05. Report a data error