5310-01-281-3843 WASHER,FLAT Index 5310-01-281-3845 WASHER,LOCK

National Stock Number:
5310-01-281-3844

Federal Supply Class:
5310

National Item Identification Number:
012813844

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:
0740524S3002GENERAL DYNAMICS EUROPEAN LAND SYSTEMS - MOWAG GMBH
628900253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.640 INCHES NOMINAL
OVERALL DIAMETER0.850 INCHES MINIMUM AND 0.910 INCHES MAXIMUM
MATERIALSTEEL COMP 1009 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.060 INCHES NOMINAL


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