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REFERENCE IMAGE
EMANON PART NO.
MS20004-6
MS20004-6 is a bolt in steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740, cadmium and chromate finish, 0.250 INCHES diameter and Between 0.860 inches and 0.890 inches length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.860–0.890 in
THREAD LENGTH0.475–0.525 in
GRIP0.375 in (3/8)
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADBevel-conical
HEAD HEIGHT0.250 in nom
WIDTH ACROSS FLATS0.188–0.190 in
MATERIAL & FINISH
MATERIALSteel 4140/e4340/6150/8735 +1
MATERIAL SPECMIL-S-5626 or MIL-S-5000 or MIL-S-8503 or MIL-S-6098 or MIL-S-6049
FINISHCadmium and chromate
FINISH SPECQQ-P-416 TY 2 CL 3
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS34–40 HRC
STANDARDS & TRACEABILITY
NSN5306-00-550-0202
GOVERNING STANDARDMS20004-6
FLIS · NSN 5306-00-550-0202 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
length: 7/8", grip: 3/8", thread: 1/4-28, internal wrenching, cadmium plated alloy steel, MS20004 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.