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EMANON PART NO.
NAS1351N4H10
NAS1351N4H10 is a screw in iron alloy 660, passivate finish, 0.250 INCHES diameter and 5/8 length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.625 in (5/8)
THREAD LENGTHMinimum 0.524 in; maximum 0.625 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADFlat chamfer
HEAD HEIGHTMinimum 0.244 in; maximum 0.250 in
HEAD DIAMETER0.365–0.375 in
WIDTH ACROSS FLATS0.187–0.190 in
MATERIAL & FINISH
MATERIALIron alloy 660
MATERIAL SPECAMS5731 — ASSN STD · AMS5737 — ASSN STD
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
TENSILE STRENGTH160,000 psi
STANDARDS & TRACEABILITY
NSN5305-01-256-5195
GOVERNING STANDARD80205-NAS1351
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
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.