Flat Washer NSN:5310-01-047-0415 P/N:1532361-8

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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.

Center Hole Shape Style: Round
Cross-sectional Shape Style: Rectangular
Hole Diameter: 0.266 inches minimum and 0.271 inches maximum
Material: Steel comp 321 overall or steel comp 347 overall
Overall Diameter: 0.615 inches minimum and 0.635 inches maximum
Material Document And Classification: Mil-s-6721 mil spec all material responses overall
Peripheral Shape Style: Round
Surface Treatment Document And Classification: Cva 1-6,fscm 80378 mfr ref single treatment response overall
Surface Treatment: Passivate overall
Thickness: 0.063 inches minimum and 0.073 inches maximum

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