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EMANON PART NO.
MS51859-19
MS51859-19 is a washer in plastic polyamide and 1/2 diameter.
Washer
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER0.313 in (5/16)
OUTSIDE DIAMETER0.495–0.510 in
THICKNESS0.028–0.034 in
SHAPE
PERIPHERAL SHAPERound
CENTER HOLE SHAPERound
CROSS-SECTIONAL SHAPERectangular
MATERIAL & FINISH
MATERIALPlastic polyamide
MATERIAL SPECMIL-M-20693 TYPE 1 — MIL SPEC
STANDARDS & TRACEABILITY
NSN5310-01-083-7199
GOVERNING STANDARDMS51859-19
FLIS · NSN 5310-01-083-7199 · 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: 5/16", Diameter: 1/2", plastic nylon, MS51859 series 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.