3120-00-661-6218 BEARING,WASHER,THRUST Index 3120-00-661-6249 BEARING,WASHER,THRUST

National Stock Number:
5310-00-661-6224

Federal Supply Class:
5310

National Item Identification Number:
006616224

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:
TP685510001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
OVERALL DIAMETER1.058 INCHES MINIMUM AND 1.067 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 482 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESOD CHAMFERED ON EACH SIDE 0.011 TO 0.021 IN. BY 35 TO 45 DEG
THICKNESS0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM


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