5310-01-057-5518 NUT,PLAIN,CAP Index 3120-01-057-5520 BEARING,WASHER,THRUST

National Stock Number:
5310-01-057-5519

Federal Supply Class:
5310

National Item Identification Number:
010575519

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:
4558793-2280064NAVAL SHIP SYSTEMS COMMAND
56-13-0713D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
56-13-0713MF96169ELECTRIC BOAT CORPORATION
845-4558793 ITE53711NAVAL SEA SYSTEMS COMMAND
845-4558793ITEM2253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.656 INCHES NOMINAL
OVERALL DIAMETER1.120 INCHES NOMINAL
MATERIALPLASTIC POLYAMIDE OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.188 INCHES NOMINAL


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