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REFERENCE IMAGE
EMANON PART NO.
MS21299C6
MS21299C6 is a washer in steel comp 4130 and cadmium finish.
Washer
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER0.375 in (3/8)
OUTSIDE DIAMETER0.702–0.712 in
THICKNESS0.071–0.085 in
SHAPE
PERIPHERAL SHAPERound
CENTER HOLE SHAPERound
CROSS-SECTIONAL SHAPERectangular
MATERIAL & FINISH
MATERIALSteel 4130
MATERIAL SPECMIL-S-6758 AND MIL-S-18729
FINISHCadmium
FINISH SPECQQ-P-416,TYPE 2,CLASS 2
MECHANICAL
HARDNESS39–45 HRC
STANDARDS & TRACEABILITY
NSN5310-01-101-1856
FLIS · NSN 5310-01-101-1856, 5310-01-497-8368 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Hole Diameter: 3/8",
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.