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REFERENCE IMAGE
EMANON PART NO.
NAS1004-5A
NAS1004-5A is a bolt in iron alloy 660, passivate finish, 0.250 INCHES diameter and Between 0.846 inches and 0.866 inches length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.846–0.866 in
THREAD LENGTH0.544 in nom
GRIP0.297–0.327 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADHexagon
HEAD HEIGHT0.140–0.172 in
WIDTH ACROSS FLATS0.430–0.439 in
MATERIAL & FINISH
MATERIALIron 660
MATERIAL SPECAMS5732 or AMS5735
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
TENSILE STRENGTH140,000 psi
STANDARDS & TRACEABILITY
NSN5306-01-363-2881
GOVERNING STANDARD80205-NAS1004
FLIS · NSN 5306-01-363-2881 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
length: 0.856", thread: 1/4-28, undrilled, hex head, corrosion resistant steel, NAS1004 series bolt
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.