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Flat Washer
Model 859955
Quick Information about 859955
Plastic polytetrafluoroethylene overall material.
For pricing and availability of this flat washer submit the price quote form on the right.
Product Details
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NSN:5310-00-559-2113 (5310005592113)
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Cross Shape:Rectangular
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Hole Diameter:Between 0.219 inches and 0.225 inches
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Edge Shape:Round
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Center Shape:1 round
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Center Shape:Round
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Thickness:0.031 inches
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Overall Diameter:0.438 inches
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Material Specification:Mil-p-14078, canceled military specification single material response
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Schedule B Code:3926904500
Classification
Gaskets,washers & other seals
Definition Flat Washer
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 maximum 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.
Part Identification
Part Materials
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Price Quote
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