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REFERENCE IMAGE
EMANON PART NO.
NAS6604H2
NAS6604H2 is a bolt in steel, cadmium and chromate finish, 0.250 INCHES diameter and Between 0.535 inches and 0.565 inches length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.535–0.565 in
THREAD LENGTH0.400–0.450 in
GRIP0.115–0.135 in
GRIP DIAMETER0.2485–0.2495 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADDished hexagon
HEAD HEIGHT0.125–0.140 in
WIDTH ACROSS FLATS0.429–0.439 in
MATERIAL & FINISH
MATERIALSteel
MATERIAL SPECMIL-S-5000 or MIL-S-6049 or AMS6322
FINISHCadmium and chromate
FINISH SPECQQ-P-416,TY 2,CL 2
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5306-01-167-2399
GOVERNING STANDARD80205-NAS6604
FLIS · NSN 5306-01-167-2399 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
length: 0.550", grip: 0.125", thread: 1/4-28, hex head, drilled head, tension, long thread, cadmium plated alloy steel, NAS6604 series bolt
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.