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EMANON PART NO.
AN310C4
AN310C4 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 or steel comp 410 or steel comp 414 or steel comp 416, passivate finish and 0.250 INCHES diameter.
Nut
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
WIDTH ACROSS FLATS0.428–0.440 in
THREAD
THREAD0.250 inches
MATERIAL & FINISH
MATERIALSteel 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 or steel comp 410 or steel comp 414 or steel comp 416
MATERIAL SPEC66 — FED STD
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
HARDNESSNot rated
STANDARDS & TRACEABILITY
NSN5310-00-167-1280
FLIS · NSN 5310-00-167-1280 · 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: 1/4-28, corrosion resistant steel, AN310 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.