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EMANON PART NO.
MS51831-204
MS51831-204 is a insert in steel comp 302, passivate finish, 0.375 INCHES diameter and Between 0.485 inches and 0.515 inches length.
Insert
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.375 in
LENGTHBetween 0.485 inches and 0.515 inches
THREAD LENGTHMinimum 0.485 in; maximum 0.515 in
THREAD
THREAD3/8
HEAD & DRIVE
STYLEH25 grooved keylock
MATERIAL & FINISH
MATERIALSteel comp 302
MATERIAL SPECSPECIFICATIONS BEING VERIFIED
FINISHPassivate
FINISH SPECQQ-P-35
STANDARDS & TRACEABILITY
NSN5325-00-805-0339
GOVERNING STANDARDMS51831-204
ALTERNATE PART NUMBERSNAS1395C6
FLIS · NSN 5325-00-805-0339 · retrieved 2026-08-10
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Thread Size: 3/8", Thread Length: 1/2", keylock style, MS51831 series insert
Emanon is a stocking distributor — quality-system certifications are held by the certified manufacturers we source from, not by Emanon. Every shipment carries manufacturer certifications and full lot traceability.