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REFERENCE IMAGE
EMANON PART NO.
NAS1351C4H8
NAS1351C4H8 is a screw in steel corrosion resisting overall, passivate overall finish, 0.250 INCHES diameter and 1/2 length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.500 in (1/2)
THREAD LENGTH0.500 in nom
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADFlat chamfer
HEAD HEIGHT0.244–0.250 in
WIDTH ACROSS FLATS0.188–0.190 in
MATERIAL & FINISH
MATERIALSteel corrosion resisting
MATERIAL SPEC66 FED STD
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
TENSILE STRENGTH80,000 psi
HARDNESS≥80 HRB
STANDARDS & TRACEABILITY
NSN5305-00-566-6413
GOVERNING STANDARD80205-NAS1351
FLIS · NSN 5305-00-566-6413 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 1/2", Hole Diameter: 3/64", Thread: 1/4-28, Head Width: 3/16", Thread Length: 1/2", NAS1351 series screw
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.