5310-01-430-8842 WASHER,LOCK Index 5310-01-430-8844 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-430-8843

Federal Supply Class:
5310

National Item Identification Number:
014308843

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:
360370115852W S DARLEY & CO
A84-115852W S DARLEY & CO
B229 REP NO 7215852W S DARLEY & CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.511 INCHES MINIMUM AND 0.521 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 360 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.938 INCHES MINIMUM AND 0.953 INCHES MAXIMUM
THICKNESS0.062 INCHES NOMINAL


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