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MS21209F4-20L

Helicoil Insert

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Description

Helicoil Insert

Specifications

Insert Size 0.306 in min 0.326 in. max free od
Length 0.500 in
NIIN 01-014-4622
NSN 5325-01-014-4622
Special Features Coated with dry film lubricant mil-l-8937.
Style Designator Coil
Thread Class 3b
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 0.250 in
Weight .005 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 MS21209F4-20L. Try the cross-reference lookup to search by a different part number.

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