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REFERENCE IMAGE
EMANON PART NO.
NAS509-5C
NAS509-5C is a nut in iron alloy 660, passivate finish and 0.312 INCHES diameter.
Nut
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.312 in
WIDTH ACROSS FLATS0.490–0.502 in
THREAD
THREAD0.312 inches
MATERIAL & FINISH
MATERIALIron 660
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
HARDNESSNot rated
STANDARDS & TRACEABILITY
NSN5310-01-043-1399
FLIS · NSN 5310-01-043-1399 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
NAS509-5C Nut, Plain Hexagon 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.