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EMANON PART NO.
NAS501-4-12A
NAS501-4-12A is a bolt in steel comp 321 or steel comp 347, passivate finish, 0.250 INCHES diameter and 1.281 INCHES NOMINAL length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHNominal 1.281 in
THREAD LENGTHMinimum 0.469 in
GRIPNominal 0.812 in
THREAD
THREAD0.250-28 UNF-3A right-hand
HEAD & DRIVE
HEAD HEIGHTNominal 0.156 in
WIDTH ACROSS FLATS0.438 in nom
MATERIAL & FINISH
MATERIALSTEEL COMP 321 OR STEEL COMP 347
FINISHPASSIVATE
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
NAS501-4-12A
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.