5310-01-294-8593 WASHER,FLAT Index 5330-01-294-8595 GASKET

National Stock Number:
5310-01-294-8594

Federal Supply Class:
5310

National Item Identification Number:
012948594

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
2680034527777L3 TECHNOLOGIES, INC.
2680034551298OPTEX SYSTEMS, INC
9240-004-4612004NAVAL SEA SYSTEMS COMMAND LOGISTICS SUPPORT ENGINEERING ACTIVITY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.265 INCHES MINIMUM AND 1.280 INCHES MAXIMUM
OVERALL DIAMETER2.438 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750,COMPOSITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 510 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESTWO HOLES DRILLED ON EITHER SIDE OF WASHER,HOLE DIAMETERS .067 TO .069 DRILLED THROUGH; CENTER TO CENTER DISTANCE 2.216 TO 2.220
THICKNESS0.032 INCHES NOMINAL


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