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MS51993M805L

Military Standard Screw Thread Insert

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Description

Thread Size: 5/16

Specifications

Features Provided Individually keyed
Insert Size 0.4531 in max pitch dia 0.500-13 uns 0.4506 in min
Length Between 0.912 inches and 0.932 inches
Material Steel
Material Specification Mil-s-5626 military specification single material response
Special Features Furnished w/lock ring
Style Designator Serrated
Surface Treatment Cadmium and chromate
Surface Treatment Specification Class 3 federal specification single treatment response type 2 qq-p-416
Thread Class 3b
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 0.3125

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