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REFERENCE IMAGE
EMANON PART NO.
NAS509-6C
NAS509-6C is a nut in iron alloy 660, 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 FLATS0.553–0.565 in
THREAD
THREAD3/8
MATERIAL & FINISH
MATERIALIron 660
MATERIAL SPECAMS 5525 or AMS 5737 or AMS 5732
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
HARDNESSNot rated
STANDARDS & TRACEABILITY
NSN5310-01-022-8109
GOVERNING STANDARD80205-NAS509
FLIS · NSN 5310-01-022-8109 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Thread Size: 3/8", Nut Height: 1/4", Head Width: 1/2", drilled, NAS509 series nut
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.