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REFERENCE IMAGE
EMANON PART NO.
AN3CH4A
AN3CH4A is a bolt in steel comp 431, passivate finish, 0.190 INCHES diameter and 0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM length.
Bolt · listed as AN3CH4A Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.190 in
LENGTH0.516–0.562 in
THREAD LENGTH0.375–0.453 in
GRIP0.109–0.141 in
THREAD
THREAD0.190-32 UNF-3A right-hand
HEAD & DRIVE
HEADC1 hexagon
HEAD HEIGHT0.109–0.141 in
WIDTH ACROSS FLATS0.365–0.377 in
MATERIAL & FINISH
MATERIALSTEEL 431
MATERIAL SPECMIL-S-18732
FINISHPASSIVATE
MECHANICAL
TENSILE STRENGTH125,000 psi
HARDNESS26–32 HRC
STANDARDS & TRACEABILITY
NSN5306-00-182-1853
GOVERNING STANDARDAN3CH4A
FLIS · NSN 5306-00-182-1853 · 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.