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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
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHNominal 1.531 in
THREAD LENGTHMinimum 0.469 in
GRIPNominal 1.062 in
THREAD
THREAD0.250-28 UNF-3A right-hand
HEAD & DRIVE
HEADC1 hexagon
HEAD HEIGHTMinimum 0.140 in; maximum 0.172 in
WIDTH ACROSS FLATS0.428–0.440 in
MATERIAL & FINISH
MATERIALSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140
MATERIAL SPECMIL-B-6812 — MIL SPEC
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 & test reports available for most products (standard cert fees apply)
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.