← BACK TO RESULTS
EMANON PART NO.
NAS6404A21D
Fastener
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.2500 in
LENGTHNominal 1.635 in
THREAD
THREAD0.2500-28 unified national joint fine (UNJF)-3A right-hand
MATERIAL & FINISH
MATERIALOVERALL TITANIUM ALLOY
FLIS · NSN 017385721 · retrieved 2026-09-16
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
NAS6404A21D
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.