Part Number: 7421

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CONDITION:
NS
BORG-WARNER CORP MARVEL-SCHEBLER/TILLOTSON DIV96152
AMERICAN M A R C DIV OF EON CORP3821
U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM19207
DCM MANUFACTURING, INC.46522
JOHN DEER CONSUMER PRODUCTS INC29201
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.172 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.062 INCHES NOMINAL
OVERALL DIAMETER0.312 INCHES NOMINAL
MATERIALCELLULOSE OVERALL
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 ( .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 . 6 inches ( .15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be . 16 inches ( .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.