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EMANON PART NO.
NAS6604L4
NAS6604L4 is a bolt in fastener steel comp 4340 or steel comp 8740, fastener cadmium and chromate finish, 0.250 INCHES diameter and 0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHMinimum 0.660 in; maximum 0.680 in
THREAD LENGTHMaximum 0.425 in
GRIPMinimum 0.240 in; maximum 0.260 in
GRIP DIAMETER0.2485–0.2495 in
THREAD
THREAD0.250-28 unified national joint fine (UNJF)-3A right-hand
HEAD & DRIVE
HEAD HEIGHTMinimum 0.125 in; maximum 0.140 in
WIDTH ACROSS FLATS0.429–0.439 in
MATERIAL & FINISH
MATERIALFASTENER STEEL COMP 4340 OR STEEL COMP 8740
FINISHFASTENER CADMIUM AND CHROMATE
MECHANICAL
TENSILE STRENGTH160,000 psi
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
NAS6604L4
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.