← BACK TO RESULTS
EMANON PART NO.
MS21206-4
MS21206-4 is a washer in steel comp 4130, cadmium and chromium finish and 1/2 diameter.
Washer
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER0.250 in (1/4)
OUTSIDE DIAMETER0.460–0.470 in
THICKNESS0.052–0.072 in
SHAPE
PERIPHERAL SHAPERound
CENTER HOLE SHAPERound
CROSS-SECTIONAL SHAPERectangular
MATERIAL & FINISH
MATERIALSteel comp 4130
MATERIAL SPECMIL-S-6758 — MIL SPEC · MIL-S-18729 — MIL SPEC
FINISHCadmium and chromium
FINISH SPECQQ-P-416,TY 2,CL 2
MECHANICAL
HARDNESS38–45 HRC
STANDARDS & TRACEABILITY
NSN5310-01-088-5809
GOVERNING STANDARDMS21206-4
FLIS · NSN 5310-01-088-5809 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Hole Diameter: 1/4", Diameter: 1/2
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.