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MS51830A201L

Military Standard Screw Thread Insert

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Description

Screw Thread Insert

Specifications

Features Provided Individually keyed
Full Internal Thread Length 0.240
Insert Size 0.312-18 unc (coarse thread) 2a
Internal Thread Relief Depth 0.070
Length 0.310
Material Iron
Material Specification Ams 5737 assn standard single material response
NIIN 01-475-5078
NSN 5325-01-475-5078
Specification Data 80205-nas1394 professional/industrial association standard
Style Designator Grooved keylock
Thread Class 3b
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 0.190
Weight 0.0025 lb

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