5310-00-185-1055 WASHER,FLAT Index 2825-00-185-1059 VALVE,DISK

National Stock Number:
5310-00-185-1056

Federal Supply Class:
5310

National Item Identification Number:
001851056

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:
102696PC653711NAVAL SEA SYSTEMS COMMAND
347511PC910001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
381637PC9210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
583305PC110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
OVERALL DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
MATERIALLEAD OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM


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