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MS51831A104L

Military Standard Screw Thread Insert

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Description

Screw Thread Insert

Specifications

Features Provided Individually keyed
Full Internal Thread Length 0.405 inches minimum and 0.455 inches maximum
Insert Size 9/16-12 unc 2a
Internal Thread Relief Depth 0.060 inches minimum and 0.080 inches maximum
Length 0.485 inches minimum and 0.515 inches maximum
Special Features Furnished with four locking keys
Style Designator Keylock
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416,type 2,class 3 fed spec single treatment response
Thread Class 3b
Thread Qty Per Inch (tpi) 16
Thread Series Designator UNJC
Thread Size 0.375

Other sizes

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

Cross-reference

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