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EMANON PART NO.
NAS6205-57D
NAS6205-57D is a bolt in steel comp e4340 or steel comp 8740, cadmium and chromate finish, 0.312 INCHES diameter and 3.985 INCHES MINIMUM AND 4.015 INCHES MAXIMUM length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.312 in
LENGTHMinimum 3.985 in; maximum 4.015 in
THREAD LENGTHNominal 0.438 in
GRIPMinimum 3.552 in; maximum 3.572 in
GRIP DIAMETER0.3110–0.3120 in
THREAD
THREAD0.312-24 unified national joint fine (UNJF)-3A right-hand
HEAD & DRIVE
HEAD HEIGHTMinimum 0.156 in; maximum 0.171 in
WIDTH ACROSS FLATS0.492–0.502 in
MATERIAL & FINISH
MATERIALSTEEL COMP E4340 OR STEEL COMP 8740
FINISHCADMIUM AND CHROMATE
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESSRockwell c minimum 36.0 and rockwell c maximum 40.0
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
NAS6205-57D
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.