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EMANON PART NO.
MS21299C3
MS21299C3 is a washer in steel and cadmium and chromate finish.
Washer
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER0.191–0.195 in
OUTSIDE DIAMETER0.377–0.387 in
MATERIAL & FINISH
MATERIALSteel
MATERIAL SPECMIL-S-6758 — MIL SPEC · MIL-S-18729 — MIL SPEC
FINISHCadmium and chromate
FINISH SPECQQ-P-416,TY 2,CL 2
MECHANICAL
HARDNESS39–45 HRC
STANDARDS & TRACEABILITY
NSN5310-01-121-8526
ALTERNATE PART NUMBERSMS21299-C3
FLIS · NSN 5310-01-121-8526 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
MS21299C3 Flat 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.