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REFERENCE IMAGE
EMANON PART NO.
NAS1004-6A
NAS1004-6A is a bolt in iron, passivate finish, 0.250 INCHES diameter and 59/64 length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.922 in (59/64)
THREAD LENGTH0.514–0.574 in
GRIP0.360–0.390 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADHexagon
HEAD HEIGHT0.140–0.172 in
WIDTH ACROSS FLATS0.430–0.439 in
MATERIAL & FINISH
MATERIALIron
MATERIAL SPECAMS 5732 or AMS 5737 or AMS 5733
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 — included with every order
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.