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EMANON PART NO.
NAS1351N7-28
NAS1351N7-28 is a screw in iron alloy 660, passivate finish, 0.438 INCHES diameter and 1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.438 in
LENGTHMinimum 1.690 in; maximum 1.750 in
THREAD LENGTHMinimum 1.375 in; maximum 1.750 in
THREAD
THREAD0.438-20 UNRF-3A right-hand
HEAD & DRIVE
HEAD HEIGHTMinimum 0.430 in; maximum 0.437 in
HEAD DIAMETER0.642–0.656 in
WIDTH ACROSS FLATS0.375–0.379 in
MATERIAL & FINISH
MATERIALIRON ALLOY 660
FINISHPASSIVATE
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESSRockwell c minimum 38.0 and rockwell c maximum 45.0
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
NAS1351N7-28
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.