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EMANON PART NO.
NAS428-5-22
NAS428-5-22 is a bolt in steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 4130 or steel comp 8630 or steel comp 4037, cadmium and chromate finish, 0.312 INCHES diameter and 2.188 INCHES MINIMUM AND 2.250 INCHES MAXIMUM length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.312 in
LENGTHMinimum 2.188 in; maximum 2.250 in
THREAD LENGTHMinimum 2.043 in; maximum 2.219 in
GRIPMinimum 0.114 in; maximum 0.145 in
THREAD
THREAD0.312-24 UNF-3A right-hand
HEAD & DRIVE
HEAD HEIGHTMinimum 0.162 in; maximum 0.182 in
WIDTH ACROSS FLATS0.490–0.502 in
MATERIAL & FINISH
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 4037
FINISHCADMIUM AND CHROMATE
MECHANICAL
TENSILE STRENGTH125,000 psi
HARDNESSRockwell c minimum 26.0 and rockwell c maximum 32.0
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
NAS428-5-22
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.