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REFERENCE IMAGE
EMANON PART NO.
AN4-14A
AN4-14A is a bolt in steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140, cadmium and chromate finish, 0.250 INCHES diameter and 1.531 INCHES NOMINAL length.
Bolt · listed as AN4-14A Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.531 in nom
THREAD LENGTH0.469 in MINIMUM
GRIP1.062 in nom
THREAD
THREAD0.250-28 UNF-3A right-hand
HEAD & DRIVE
HEADC1 hexagon
HEAD HEIGHT0.140–0.172 in
WIDTH ACROSS FLATS0.428–0.440 in
MATERIAL & FINISH
MATERIALSteel 4037/4130/8630/8735 +2
MATERIAL SPECMIL-B-6812 ALL MATERIAL RESPONSES
FINISHCADMIUM AND CHROMATE
FINISH SPECQ-P-416,TYPE 2,CLASS 3 13TH TREATMENT RESPONSE
MECHANICAL
TENSILE STRENGTH125,000 psi
HARDNESS26–32 HRC
STANDARDS & TRACEABILITY
NSN5306-00-151-1420
GOVERNING STANDARDAN4-14A
FLIS · NSN 5306-00-151-1420 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
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.