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MS51831-102

Military Standard Screw Thread Insert

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Description

Length: 0.375", Thread Size: 1/4", Thread Length: 1/4", stainless steel, heavy duty, MS51831 series insert

Specifications

Full Internal Thread Length 0.305
Insert Size 0.4375-14 nc-2a
Internal Thread Relief Depth 0.070
Length 0.375
Material Steel
Material Specification Fed standard 66 federal standard single material response
Style Designator Keylock
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 federal specification single treatment response
Thread Class 3b
Thread Direction Right-hand
Thread Length 0.305
Thread Qty 20
Thread Qty Per Inch (tpi) 20
Thread Series UNJC
Thread Series Designator UNJC
Thread Size 0.250

Cross-reference

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