3120-01-485-8091 BEARING,WASHER,THRUST Index 3120-01-485-8093 BEARING,WASHER,THRUST

National Stock Number:
5310-01-485-8092

Federal Supply Class:
5310

National Item Identification Number:
014858092

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:
122-6938615 PC 5743689HUNTINGTON INGALLS INC
122-6938615 PC 5753711NAVAL SEA SYSTEMS COMMAND
90126A031D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING49.0 ROCKWELL B NOMINAL
HOLE DIAMETER0.406 INCHES NOMINAL
MATERIAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.812 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
SURFACE TREATMENTZINC OVERALL
THICKNESS0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM


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