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REFERENCE IMAGE
EMANON PART NO.
NAS517-4-12
NAS517-4-12 is a screw in steel, cadmium and chromate finish, 0.250 INCHES diameter and Between 1.204 inches and 1.249 inches length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.204–1.249 in
THREAD LENGTH0.368–0.514 in
GRIP0.750
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADFlat countersunk
MATERIAL & FINISH
MATERIALSteel
FINISHCadmium and chromate
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5305-00-637-7032
FLIS · NSN 5305-00-637-7032 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
length: 1.219", grip: 0.750", 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.