5310-01-129-4474 WASHER,FLAT Index 5310-01-129-4476 WASHER,FLAT

National Stock Number:
5310-01-129-4475

Federal Supply Class:
5310

National Item Identification Number:
011294475

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:
10109528A486GNIMIKKEISTOKESKUS NCB FINLAND
6036-0052-0317472EATON AEROSPACE LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.821 INCHES NOMINAL
OVERALL DIAMETER1.187 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,TEMPER T651 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/8,TEMPER H32 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 5052 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM


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