5310-01-483-2878 WASHER,KEY Index 5975-01-483-2880 FASTENER,CORD ASSEMBLY

National Stock Number:
5310-01-483-2879

Federal Supply Class:
5310

National Item Identification Number:
014832879

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:
2643-773-01 ITEM 1496169ELECTRIC BOAT CORPORATION
710879353711NAVAL SEA SYSTEMS COMMAND
845-7108793 ITEM 1453711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.876 INCHES MINIMUM AND 0.878 INCHES MAXIMUM
OVERALL DIAMETER1.237 INCHES MINIMUM AND 1.239 INCHES MAXIMUM
MATERIALPLASTIC ACETAL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
THICKNESS0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM


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