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MS51830-103L

Military Standard Screw Thread Insert

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Description

Screw Thread Insert

Specifications

Alternate Item Number NAS1394
Alternate Part Number NAS1394 KNCL0632J
External Thread Size 0.2160-28
Features Key Locked
Features Provided Individually keyed
Full Internal Thread Length 0.141
Industry Standards/Certification MS51830
Insert Size 0.216-12 unf (fine thread) 2a
Internal Thread Relief Depth 0.010
Internal Thread Size 0.138-32
Length 0.170 in, Between 0.155 inches and 0.185 inches
Locking Tabs 2
Material CRES
Material Specification Fed standard 66 federal standard single material response
NIIN 00-178-8116
NSN 5325-00-178-8116
Style Designator Grooved keylock
Thread Class 2a
Thread Direction Right-hand
Thread Length 0.216
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNC
Thread Series Designator Unc (coarse thread)
Thread Size 0.138
Thread Type Internal Thread Lock
Weight 0.0006 lb

Cross-reference

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