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National Stock Number:
5310-01-531-6906
Federal Supply Class:
5310
National Item Identification Number:
015316906
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:
| 123-4775357 ITEM 31 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 123-4775357 ITEM 31 | 96169 | ELECTRIC BOAT CORPORATION | | 60-28-5631 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 1.438 INCHES NOMINAL | | THICKNESS | 0.125 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.312 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL |
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