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MS51831-208L

Military Standard Screw Thread Insert

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Description

MS51831 series insert

Specifications

Features Provided Individually keyed
Full Internal Thread Length Between 0.750 inches and 0.800 inches
Insert Size 0.875-14 unf (fine thread) 2a
Internal Thread Relief Depth Between 0.090 inches and 0.110 inches
Length 0.870
Material CRES
Material Specification Fed standard 66 federal standard single material response
Special Features Has internal thread lock feature
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 0.775
Thread Qty Per Inch (tpi) 18
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 0.625

Cross-reference

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