5310-01-567-4755 WASHER,FLAT Index 5310-01-567-4761 WASHER,FLAT

National Stock Number:
5310-01-567-4757

Federal Supply Class:
5310

National Item Identification Number:
015674757

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:
BACW10BP20DP1KN36BOEING NORTH AMERICAN INC
BACW10BP20DP81205THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.254 INCHES NOMINAL
OVERALL DIAMETER2.135 INCHES NOMINAL
MATERIALIRON ALLOY 660 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER PLAIN
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.092 INCHES MINIMUM AND 0.108 INCHES MAXIMUM


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