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EMANON PART NO.
NAS501-5-51A
Fastener
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.312 in
LENGTHMinimum 5.203 in; maximum 5.250 in
THREAD
THREAD0.312-24 UNF-3A right-hand
MATERIAL & FINISH
MATERIALOVERALL STEEL COMP 347 OR STEEL COMP 321
FINISHOVERALL PASSIVATE
FLIS · NSN 012728301 · retrieved 2026-09-16
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
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.