5310-01-544-1755, WASHER,FLAT

National Stock Number:
5310-01-544-1755

Federal Supply Class:
5310

National Item Identification Number:
015441755

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:

527-14911-5

82918

THE BOEING COMPANY

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS-QQ-A-200/3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS-QQ-A-225/6 BAR OR ROD STOCK 2024-T351 OR T3511 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OUTSIDE LEFT CORNER CHAMFER ANGLE	45.0 DEGREES NOMINAL
OVERALL DIAMETER	1.000 INCHES NOMINAL
SPECIAL FEATURES	ON LARGE OUTSIDE DIAMETER OF WASHER CHAMFER INSIDE DIAMETER 45 DEGREES BY 0.030 DEEP
THICKNESS	0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM

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