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MS51831A201L

0.500 Inch Length MS51831 Key Locked Insert

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Description

0.500 Inch Length MS51831 Key Locked Insert

Specifications

Alternate Item Number NAS1395
Alternate Part Number NAS1395 KNHL1032JMX
External Thread Size 0.3750-16
Features Heavy-Duty
Features Provided Individually keyed
Full Internal Thread Length 0.240
Industry Standards/Certification MS51831A201L
Insert Size 3/8-16 unc 2a
Internal Thread Relief Depth 0.070
Internal Thread Size 0.1900-32
Length 0.297 inches minimum and 0.327 inches maximum, 0.312 in
Locking Tabs 2
Material CRES
Material Specification Ams 5640 (uns s30300)type i assn std 1st material response and ams 5640 (uns s30323)type ii assn std 2nd material response
Specification Data 80205-nas1395 professional/industrial association standard
Style Designator Grooved keylock
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416,type 2,class 3 fed spec single treatment response
Thread Class 3b
Thread Direction Right-hand
Thread Length 0.297 inches minimum and 0.327 inches maximum
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNJF
Thread Size 0.190
Thread Type Internal Thread Lock
Weight .005 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