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MS51991E206L

Military Standard Screw Thread Insert

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Description

Thread Size: 1/4", serrated style, fine thread, MS51991 series insert

Specifications

Features Provided Individually keyed
Insert Size 0.375 in.-16
Length 0.500
Material Iron
Material Specification Ams 5734 assn standard single material response
Style Designator Serrated
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 0.250

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 MS51991E206L. Try the cross-reference lookup to search by a different part number.

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