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REFERENCE IMAGE
EMANON PART NO.
NAS1351N4-12
NAS1351N4-12 is a screw in iron alloy, passivate finish, 0.250 INCHES diameter and Between 0.72 inches and 0.75 inches length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.72–0.75 in
THREAD LENGTH0.649–0.750 in
THREAD
THREAD0.250-28 UNRF-3A right-hand
HEAD & DRIVE
HEADFlat chamfer
HEAD HEIGHT0.244–0.250 in
WIDTH ACROSS FLATS0.1875–0.1900 in
MATERIAL & FINISH
MATERIALIron
MATERIAL SPECAMS5731 or AMS5737
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
TENSILE STRENGTH160,000 psi
STANDARDS & TRACEABILITY
NSN5305-01-215-1357
GOVERNING STANDARD80205-NAS1351
FLIS · NSN 5305-01-215-1357 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
length: 0.75", hexagon head
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.