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National Stock Number:
5310-01-474-8822
Federal Supply Class:
5310
National Item Identification Number:
014748822
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.
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Manufacturer Information:
| 2641-809-40 | 96169 | ELECTRIC BOAT CORPORATION | | 2641-809-40 ITEM 56 | 96169 | ELECTRIC BOAT CORPORATION | | 7285244 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-7285244 ITEM 56 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 2643-405-01 ITEM 56 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.625 INCHES MINIMUM AND 0.629 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AF FIBER,RESIN DE 588 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | OVERALL DIAMETER | 0.869 INCHES MINIMUM AND 0.874 INCHES MAXIMUM | | MATERIAL | PLASTIC ACETAL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | THICKNESS | 0.060 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
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