5310-01-303-8163 WASHER,FLAT Index 5310-01-303-8165 WASHER,FLAT

National Stock Number:
5310-01-303-8164

Federal Supply Class:
5310

National Item Identification Number:
013038164

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:
152B2055-172429MISSION SYSTEMS DAVENPORT INC.
152B2055-272429MISSION SYSTEMS DAVENPORT INC.
152B2055-372429MISSION SYSTEMS DAVENPORT INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3,T4 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-A-225/4,T4 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-A-250/4,T4 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-A-367,T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL OR ALUMINUM ALLOY 2014 OVERALL
III HEAT TREATMENTT-4 SOLUTION HEAT TREATED, NATURAL AGED
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.688 INCHES NOMINAL
THICKNESS0.101 INCHES MINIMUM AND 0.105 INCHES MAXIMUM


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