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EMANON PART NO.
NAS1423C5
NAS1423C5 is a nut in iron alloy 660, passivate finish and 0.312 INCHES diameter.
Nut
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.312 in
WIDTH ACROSS FLATS0.490–0.502 in
THREAD
THREAD5/16
MATERIAL & FINISH
MATERIALIron alloy 660
MATERIAL SPECAMS 5525 — ASSN STD · AMS 5732 — ASSN STD · AMS 5737 — ASSN STD
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
HARDNESSNot rated
STANDARDS & TRACEABILITY
NSN5310-01-120-5123
GOVERNING STANDARD80205-NAS1423
FLIS · NSN 5310-01-120-5123 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Thread Size: 5/16", Nut Height: 1/8", Head Width: 1/2", NAS1423 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.