5310-01-265-4809 WASHER,FLAT Index 5310-01-265-4811 WASHER,FLAT

National Stock Number:
5310-01-265-4810

Federal Supply Class:
5310

National Item Identification Number:
012654810

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:
8900W10P03297424AMETEK INC
8900W10P0329X854STEADFAST CORP P O BOX 688 LINCOLN MA 01773-0688


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM
OVERALL DIAMETER0.190 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH32.0 MICROINCHES ALL SURFACES
THICKNESS0.063 INCHES NOMINAL


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