5310-01-365-8140 WASHER,FLAT Index 5340-01-365-8142 BRACKET,MOUNTING

National Stock Number:
5310-01-365-8141

Federal Supply Class:
5310

National Item Identification Number:
013658141

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:
2642-921-01 ITEM 1396169ELECTRIC BOAT CORPORATION
4687671 ITEM 1380064NAVAL SHIP SYSTEMS COMMAND
845-4687671 ITEM 1380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.086 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
OVERALL DIAMETER0.280 INCHES NOMINAL
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.120 INCHES NOMINAL


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