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Worldwide distributor of NSN parts and consumables located in the USA.

Flat Washer

Model / MPN: 808020 | NSN: 5310-00-462-4569
ITAR Registered seal

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

Product Details
NATO Stock Number
5310-00-462-4569
Sold in multiples of
100 EA
DEMIL
NO
Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.300 inches and 0.310 inches
Edge Shape
Round
Center Hole Shape
1 round
Center Hole Shape
Round
Thickness
Between 0.063 inches and 0.073 inches
Overall Diameter
Between 0.498 inches and 0.518 inches
Hardness Rating
70.0 shore durometer a
Material
Rubber natural or rubber synthetic

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808020 Cross Reference
  • 134-9
  • 1EX041069-1134-9