2840-00-428-9634 COUNTERWEIGHT,FLAT Index 3040-00-428-9648 SHAFT,SHOULDERED

National Stock Number:
5310-00-428-9643

Federal Supply Class:
5310

National Item Identification Number:
004289643

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:
10365-1215434CUMMINS INC.
20600031361WOODWARD, INC.
515691324617GENERAL MOTORS CORP
20600066503WOODWARD, INC.
515691372582ROLLS-ROYCE SOLUTIONS AMERICA INC
20600093568HARSCO CORP BMY-COMBAT SYSTEMS DIV
51569137X677GENERAL MOTORS LLC
PC5156913C7432POWER COMPONENTS (DEUTSCHLAND) GMBH
DLT607931F3229WARTSILA FRANCE SAS


Techincal Specification:
MATERIALCOPPER OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.641 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.875 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.031 INCHES NOMINAL


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