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EMANON PART NO.
NAS501-4-25A
NAS501-4-25A is a bolt in steel comp 321 or steel comp 347, passivate finish, 0.250 INCHES diameter and 2.640 INCHES MINIMUM AND 2.687 INCHES MAXIMUM length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHMinimum 2.640 in; maximum 2.687 in
THREAD LENGTHMinimum 0.436 in; maximum 0.515 in
GRIPNominal 2.188 in
THREAD
THREAD0.250-28 UNF-3A right-hand
HEAD & DRIVE
HEAD HEIGHTNominal 0.156 in
WIDTH ACROSS FLATS0.428–0.440 in
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
NAS501-4-25A
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.