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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
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHBetween 0.846 inches and 0.866 inches
THREAD LENGTHNominal 0.544 in
GRIPBetween 0.297 inches and 0.327 inches
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADHexagon
HEAD HEIGHTMinimum 0.140 in; maximum 0.172 in
WIDTH ACROSS FLATS0.430–0.439 in
MATERIAL & FINISH
MATERIALIron alloy 660
MATERIAL SPECAMS5732 — ASSN STD · AMS5735 — ASSN STD
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 & test reports available for most products (standard cert fees apply)
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.