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EMANON PART NO.
NAS517-4-2
NAS517-4-2 is a screw in steel, cadmium and chromate finish, 0.250 INCHES diameter and Between 0.579 inches and 0.624 inches length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHBetween 0.579 inches and 0.624 inches
THREAD LENGTHMinimum 0.402 in; maximum 0.473 in
GRIP0.125
THREAD
THREAD1/4-28 shear
HEAD & DRIVE
HEADFlat countersunk
HEAD DIAMETER0.452–0.510 in
MATERIAL & FINISH
MATERIALSteel
FINISHCadmium and chromate
MECHANICAL
TENSILE STRENGTH160,000 psi
STANDARDS & TRACEABILITY
NSN5305-00-638-6400
GOVERNING STANDARD80205-NAS517
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
length: 0.594", grip: 0.125", thread: 1/4-28 shear, close tolerance, alloy steel
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.