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REFERENCE IMAGE
EMANON PART NO.
NAS6704U19
NAS6704U19 is a bolt in iron alloy 660, passivate finish, 0.250 INCHES diameter and 1-5/8 length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.625 in (1-5/8)
THREAD LENGTH0.400–0.450 in
GRIP1.178–1.198 in
GRIP DIAMETER0.2490–0.2495 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADDished hexagon
HEAD HEIGHT0.125–0.140 in
WIDTH ACROSS FLATS0.430–0.439 in
MATERIAL & FINISH
MATERIALIron 660
MATERIAL SPECAMS5731
FINISHPassivate
MECHANICAL
TENSILE STRENGTH160,000 psi
STANDARDS & TRACEABILITY
NSN5306-01-008-6716
GOVERNING STANDARD80205-NAS6704
FLIS · NSN 5306-01-008-6716 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 1-5/8", Thread: 1/4-28, Thread Length: 7/16
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.