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EMANON PART NO.
NAS1004-11A
NAS1004-11A is a bolt in iron alloy 660 overall, passivate overall finish, 0.250 INCHES diameter and 1-15/64 length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.234 in (1-15/64)
THREAD LENGTHNominal 0.544 in
GRIPMinimum 0.673 in; maximum 0.703 in
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 overall
MATERIAL SPECAMS 5731 — ASSN STD
FINISHPassivate overall
FINISH SPECQQ-P-35
MECHANICAL
TENSILE STRENGTH5,100 psi
STANDARDS & TRACEABILITY
NSN5306-01-384-3056
GOVERNING STANDARD80205-NAS1003
FLIS · NSN 5306-01-384-3056 · 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: 1-15/64", Thread: 1/4-28, Thread Length: 17/32
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.