5310-01-443-6121, WASHER,FLAT

7644-01-443-6122 DIGITAL GEOSPATIAL PRODUCTS

National Stock Number:
5310-01-443-6121

Federal Supply Class:
5310

National Item Identification Number:
014436121

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:

4D0053-3B6-6	10630	ANILLO INDUSTRIES LLC
4D0053-3B6-6	58009	MOELLER MANUFACTURING & SUPPLY, LLC
4D0053-3B6-6	88277	THE BOEING COMPANY

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 7075 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OVERALL OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL OR CHROMATE OVERALL
THICKNESS	0.059 INCHES MINIMUM AND 0.067 INCHES MAXIMUM

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