EMANON PART NO.

MS21206-4

Name: MS21206-4
SKU: MS21206-4

MS21206-4 is a washer in steel comp 4130, cadmium and chromium finish and 1/2 diameter.

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Washer

REFERENCE IMAGE

Reference image — representative of the type, not the exact part; verify dimensions per specification.

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 4130

MATERIAL SPECMIL-S-6758 or MIL-S-18729

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

ADDITIONAL SPECIFICATIONS ON REQUEST →

DOCUMENTS

✓Certificate of Conformance — included with every order

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.