5310-00-947-4181, WASHER,FLAT

National Stock Number:
5310-00-947-4181

Federal Supply Class:
5310

National Item Identification Number:
009474181

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:

65651-11022-101	78286	SIKORSKY AIRCRAFT CORPORATION
65651-11022-101	D1081	AIRBUS DEUTSCHLAND GMBH -WERK BREMEN-

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM
OVERALL DIAMETER	1.183 INCHES MINIMUM AND 1.208 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 7075 OVERALL
PERIPHERAL SHAPE STYLE	DEE
WIDTH	1.041 INCHES MINIMUM AND 1.054 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL
THICKNESS	0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM

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