5310-01-064-7228 WASHER,KEY Index 5310-01-064-7230 WASHER,FLAT

National Stock Number:
5310-01-064-7229

Federal Supply Class:
5310

National Item Identification Number:
010647229

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:
1157830219206ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
OVERALL DIAMETER0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM


Click here to Register for Free 30-day Trial