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EMANON PART NO.
NAS6604-40
NAS6604-40 is a bolt in steel comp e4340 or steel comp 8740, cadmium and chromate finish, 0.250 INCHES diameter and 2.910 INCHES MINIMUM AND 2.940 INCHES MAXIMUM length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHMinimum 2.910 in; maximum 2.940 in
THREAD LENGTHNominal 0.425 in
GRIPMinimum 2.490 in; maximum 2.510 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
MATERIALSTEEL COMP E4340 OR STEEL COMP 8740
FINISHCADMIUM 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
NAS6604-40
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.