5310-00-148-2990 WASHER,FLAT Index 5310-00-148-3012 WASHER,FLAT

National Stock Number:
5310-00-148-2997

Federal Supply Class:
5310

National Item Identification Number:
001482997

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:
S8157N169-0162N935BOEING DISTRIBUTION SERVICES X, INC.
S8157N169-01659364HONEYWELL INTERNATIONAL INC.
S8157N169-01699193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HEAT TREATMENTAS FABRICATED
HOLE DIAMETER0.212 INCHES NOMINAL
OVERALL DIAMETER0.315 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 301 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA70210-S8157 MANUFACTURERS STANDARD
THICKNESS0.016 INCHES NOMINAL


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