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National Stock Number:
5310-01-111-2794
Federal Supply Class:
5310
National Item Identification Number:
011112794
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:
| 520-4674725 ITE | 53711 | NAVAL SEA SYSTEMS COMMAND | | 520-4674725 ITEM 6 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87615-2007 ITEM 6 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 606 OR | | COPPER ALLOY 614 OR | | COPPER ALLOY 630 OR | | COPPER ALLOY 642 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-465 FED SPEC ALL MATERIAL RESPONSES OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 5.060 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 7.380 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.250 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES TOP | | 63.0 MICROINCHES BOTTOM | | 63.0 MICROINCHES INNER |
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