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REFERENCE IMAGE
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
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.375 in
LENGTH0.485–0.515 in
THREAD LENGTH0.485–0.515 in
THREAD
THREAD3/8
HEAD & DRIVE
STYLEH25 grooved keylock
MATERIAL & FINISH
MATERIALSteel 302
MATERIAL SPECFED STD 66 FED STD
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 — included with every order
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.