5310-01-265-6689 WASHER,FLAT Index 5310-01-265-6691 WASHER,FLAT

National Stock Number:
5310-01-265-6690

Federal Supply Class:
5310

National Item Identification Number:
012656690

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:
21011-32301J1620KYB CORPORATION
21011-32301S5155KAYABA INDUSTRY CO. LTD
32197530076HYSTER-YALE GROUP, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER10.3 MILLIMETERS NOMINAL
OVERALL DIAMETER14.0 MILLIMETERS NOMINAL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.8 MILLIMETERS NOMINAL


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