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EMANON PART NO.
NAS1291C3
NAS1291C3 is a nut in iron alloy 660 overall, silver overall finish and 0.190 INCHES diameter.
Nut
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.190 in
WIDTH ACROSS FLATS0.243–0.252 in
THREAD
THREAD0.190 inches
MATERIAL & FINISH
MATERIALIron alloy 660 overall
MATERIAL SPECSPECIFICATIONS BEING VERIFIED
FINISHSilver overall
FINISH SPECQQ-S-365 or AMS 2410
MECHANICAL
HARDNESSNot rated
STANDARDS & TRACEABILITY
NSN5310-00-844-3302
FLIS · NSN 5310-00-844-3302 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
NAS1291C3 Extended Washer Self-Locking 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.