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REFERENCE IMAGE
EMANON PART NO.
MS21206C6
MS21206C6 is a washer in steel comp 4130 overall and cadmium overall finish.
Washer
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER0.376–0.380 in
OUTSIDE DIAMETER0.669–0.679 in
MATERIAL & FINISH
MATERIALSteel 4130
MATERIAL SPECMIL-S-658 or MIL-S-18729
FINISHCadmium
FINISH SPECQQ-P-416,TY 2,CL 2
MECHANICAL
HARDNESS38–45 HRC
STANDARDS & TRACEABILITY
NSN5310-01-057-3627
GOVERNING STANDARDMS21206-C6
ALTERNATE PART NUMBERSMS21206-C6
FLIS · NSN 5310-01-057-3627 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
to fit size: #3/8, countersunk and plain, cadmium plated steel, MS21206 series washer
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.