5330-00-297-0264 WASHER,FLAT Index 5330-00-297-0270 WASHER,FLAT

National Stock Number:
5310-00-297-0266

Federal Supply Class:
5310

National Item Identification Number:
002970266

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:
SE641ML14BRINKLEY TECHNOLOGY GROUP LLC
SE6428265HERCULES ENGINE CO INC
SE6478388WOODWARD CONTROLS INC.


Techincal Specification:
MATERIALPLASTIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.167 INCHES MINIMUM AND
0.173 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.490 INCHES MINIMUM AND
0.510 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.0212 INCHES MINIMUM AND
0.0412 INCHES MAXIMUM


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