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REFERENCE IMAGE
EMANON PART NO.
MS51972-3
MS51972-3 is a nut in steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 317 or steel comp 347, passivate finish and 0.375 INCHES diameter.
Nut
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.375 in
WIDTH ACROSS FLATS0.551–0.652 in
THREAD
THREAD3/8-24
MATERIAL & FINISH
MATERIALSteel 302/303/304/305 +3
MATERIAL SPECFED STD 66 FED STD ALL MATERIAL RESPONSES
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
HARDNESSNot rated
STANDARDS & TRACEABILITY
NSN5310-00-903-1524
GOVERNING STANDARDMS51972-3
FLIS · NSN 5310-00-903-1524 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Thread: 3/8-24, Thread Size: 3/8", Nut Height: 3/8", Head Width: 5/8",
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.