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REFERENCE IMAGE
EMANON PART NO.
MS21250-06042
MS21250-06042 is a bolt in steel comp e4340 overall or steel comp 8740 overall or steel comp 6150 overall or steel comp 4140 overall, cadmium overall and chromate overall finish, 0.375 INCHES diameter and 3.270 inches nominal length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.375 in
LENGTH3.270 in nom
THREAD LENGTH0.635–0.655 in
GRIP2.615–2.635 in
GRIP DIAMETER0.3735–0.3745 in
THREAD
THREAD3/8-24
HEAD & DRIVE
HEADDouble hexagon w/hole
HEAD HEIGHT0.388 in nom
WIDTH ACROSS FLATS0.430–0.439 in
MATERIAL & FINISH
MATERIALSteel e4340/8740/6150/4140
MATERIAL SPECMIL-S-5000 or MIL-S-6049 or MIL-S-8503 or MIL-S-5626
FINISHCadmium and chromate
FINISH SPECQQ-P-416,TY 2,CL 3
MECHANICAL
TENSILE STRENGTH180,000 psi
HARDNESS39–43 HRC
STANDARDS & TRACEABILITY
NSN5306-00-420-6472
FLIS · NSN 5306-00-420-6472 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
length: 3.27", grip: 2.625", thread: 3/8-24, external wrenching, flanged, 12 point, cadmium plated steel alloy, undrilled head
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.