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National Stock Number:
5310-00-291-7889
Federal Supply Class:
5310
National Item Identification Number:
002917889
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:
| 202373REVAPC12 | 43689 | HUNTINGTON INGALLS INC | | 3664-84REVBPC11 | 96169 | ELECTRIC BOAT CORPORATION | | 571-3801-1302734REVBPC11 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 601-501-1892159REVAPC12 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 8564-406 PIECE | 96169 | ELECTRIC BOAT CORPORATION | | 9864-264X1 PIEC | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| MATERIAL | RUBBER SYNTHETIC OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-15624,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.750 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 2.125 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.250 INCHES NOMINAL | | HARDNESS RATING | 50.0 SHORE DUROMETER A MAXIMUM | | MINIMUM TENSILE STRENGTH | 1125 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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