5310-01-303-5649 SPACER,PLATE Index 5330-01-303-5651 PACKING,PREFORMED

National Stock Number:
5310-01-303-5650

Federal Supply Class:
5310

National Item Identification Number:
013035650

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:
515-5795279 PIECE 853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLEBLANK RECTANGULAR
HOLE DIAMETER1.765 INCHES MINIMUM AND 1.770 INCHES MAXIMUM
OUTSIDE LEFT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
OVERALL DIAMETER2.369 INCHES MINIMUM AND 2.371 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-00465 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY 606 OR COPPER ALLOY 614 OR COPPER ALLOY 630 OR COPPER ALLOY 642 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES INNER
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.250 INCHES NOMINAL


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