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REFERENCE IMAGE
EMANON PART NO.
NAS6205-40D
NAS6205-40D is a bolt in steel comp e4340 or steel comp 8740, cadmium finish, 0.3125 INCHES diameter and 2-61/64 length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.3125 in
LENGTH2.953 in (2-61/64)
THREAD LENGTH0.438 in nom
GRIP2.490–2.510 in
GRIP DIAMETER0.3110–0.3120 in
THREAD
THREAD5/16-24
HEAD & DRIVE
HEADDished hexagon
HEAD HEIGHT0.156–0.171 in
WIDTH ACROSS FLATS0.492–0.502 in
MATERIAL & FINISH
MATERIALSteel e4340/8740
MATERIAL SPECMIL-S-5000 or MIL-S-6049 or AMS 6322
FINISHCadmium
FINISH SPECQQ-C-320 CL 2 THREADS
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5306-01-208-9077
GOVERNING STANDARD80205-NAS6205
FLIS · NSN 5306-01-208-9077 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 2-61/64", Thread: 5/16-24, Thread Length: 7/16
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.