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EMANON PART NO.
NAS1004-6A
NAS1004-6A is a bolt in iron, passivate finish, 0.250 INCHES diameter and 59/64 length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.922 in (59/64)
THREAD LENGTHMinimum 0.514 in; maximum 0.574 in
GRIPBetween 0.360 inches and 0.390 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
MATERIAL SPECAMS 5732 — ASSN STD · AMS 5737 — ASSN STD · AMS 5733 — ASSN STD
FINISHPassivate
FINISH SPECMIL-S-5002
MECHANICAL
TENSILE STRENGTH140,000 psi
HARDNESS248.0 brinell standard minimum and 341.0 brinell standard maximum
STANDARDS & TRACEABILITY
NSN5306-00-619-1294
GOVERNING STANDARD80205-NAS1004
FLIS · NSN 5306-00-619-1294 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Fastener Length: 59/64", Thread: 1/4-28, Thread Length: 9/16",
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.