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REFERENCE IMAGE
EMANON PART NO.
MS21299-8
MS21299-8 is a washer in steel comp 4130, cadmium and chromate finish and 15/16 diameter.
Washer
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER0.500 in (1/2)
OUTSIDE DIAMETER0.940–0.950 in
THICKNESS0.063 in (1/16)
SHAPE
PERIPHERAL SHAPERound
CENTER HOLE SHAPERound
CROSS-SECTIONAL SHAPERectangular
MATERIAL & FINISH
MATERIALSteel 4130
MATERIAL SPECMIL-S-6758 or MIL-S-18729
FINISHCadmium and chromate
FINISH SPECQQ-P-416,TYPE 2,CLASS 2
MECHANICAL
HARDNESS39–45 HRC
STANDARDS & TRACEABILITY
NSN5310-01-216-2801
FLIS · NSN 5310-01-216-2801 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Hole Diameter: 1/2", Diameter: 15/16", Thickness: 1/16
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.