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National Stock Number:
5310-01-098-9205
Federal Supply Class:
5310
National Item Identification Number:
010989205
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:
| 111-4403580 PAR | 43689 | HUNTINGTON INGALLS INC | | 111-4403580 PART 21 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 7255-24 PIECE 10 | 43689 | HUNTINGTON INGALLS INC | | 501-4362780 PIE | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5014362780 PIECE 10 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5014362780 PIECE 10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | A4W RPPY SK-325 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 1.062 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 2.000 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.125 INCHES NOMINAL |
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