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REFERENCE IMAGE
EMANON PART NO.
AN4CH6A
AN4CH6A is a bolt in steel, passivate finish, 0.250 INCHES diameter and Between 0.766 inches and 0.812 inches length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.766–0.812 in
THREAD LENGTH0.438–0.515 in
GRIP0.297–0.328 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADHexagon
HEAD HEIGHT0.140–0.172 in
WIDTH ACROSS FLATS0.428–0.440 in
MATERIAL & FINISH
MATERIALSteel
MATERIAL SPECMIL-S-18732
FINISHPassivate
MECHANICAL
TENSILE STRENGTH125,000 psi
HARDNESS26–32 HRC
STANDARDS & TRACEABILITY
NSN5306-00-182-1859
GOVERNING STANDARDAN4CH6A
FLIS · NSN 5306-00-182-1859 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
length: 25/32", grip: 5/16", thread: 1/4-28, corrosion resistant steel, undrilled shank, drilled head
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.