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REFERENCE IMAGE
EMANON PART NO.
MS21206C5
MS21206C5 is a washer in steel comp and cadmium and chromate finish.
Washer
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER0.314–0.318 in
OUTSIDE DIAMETER0.563–0.573 in
MATERIAL & FINISH
MATERIALSteel
MATERIAL SPECMIL-S-658 or MIL-S-18729
FINISHCadmium and chromate
FINISH SPECQQ-P-416,TY 2,CL 2
MECHANICAL
HARDNESS38–45 HRC
STANDARDS & TRACEABILITY
NSN5310-01-058-3667
GOVERNING STANDARDMS21206-C5
FLIS · NSN 5310-01-058-3667 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
to fit size: #5/16, washer, countersunk and plain, cadmium plated steel
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.