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REFERENCE IMAGE
EMANON PART NO.
NAS1351N4H10
NAS1351N4H10 is a screw in iron alloy 660, passivate finish, 0.250 INCHES diameter and 5/8 length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.625 in (5/8)
THREAD LENGTH0.524–0.625 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADFlat chamfer
HEAD HEIGHT0.244–0.250 in
WIDTH ACROSS FLATS0.187–0.190 in
MATERIAL & FINISH
MATERIALIron 660
MATERIAL SPECAMS5731 or AMS5737
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
TENSILE STRENGTH160,000 psi
STANDARDS & TRACEABILITY
NSN5305-01-256-5195
GOVERNING STANDARD80205-NAS1351
FLIS · NSN 5305-01-256-5195 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 5/8", Hole Diameter: 3/64", Thread: 1/4-28, Head Width: 3/16", Thread Length: 5/8", drilled 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.