← BACK TO RESULTS
EMANON PART NO.
AN174C12A
AN174C12A is a bolt in steel comp 431, passivate finish, 0.250 INCHES diameter and 1-5/16 length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.313 in (1-5/16)
THREAD LENGTHMinimum 0.367 in; maximum 0.516 in
GRIPBetween 0.796 inches and 0.828 inches
GRIP DIAMETER0.248–0.249 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADHexagon
HEAD HEIGHTMinimum 0.140 in; maximum 0.172 in
WIDTH ACROSS FLATS0.428–0.440 in
MATERIAL & FINISH
MATERIALSteel comp 431
MATERIAL SPECMIL-S-18732 — MIL SPEC
FINISHPassivate
MECHANICAL
TENSILE STRENGTH125,000 psi
HARDNESS26–32 HRC
STANDARDS & TRACEABILITY
NSN5306-00-281-2583
GOVERNING STANDARDAN174C12A
FLIS · NSN 5306-00-281-2583 · 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: 1-5/16", Thread: 1/4-28, Thread Length: 33/64",
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.