5310-01-102-1885 WASHER,FLAT Index 5310-01-102-1887 WASHER,FLAT

National Stock Number:
5310-01-102-1886

Federal Supply Class:
5310

National Item Identification Number:
011021886

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:
315B117-117472EATON AEROSPACE LLC
315B117-172121EATON MOTOR SITE


Techincal Specification:
MATERIALCOPPER ALLOY 630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.378 INCHES MINIMUM AND
0.383 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.540 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.040 INCHES MINIMUM AND
0.045 INCHES MAXIMUM


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