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National Stock Number:
5310-01-061-1972
Federal Supply Class:
5310
National Item Identification Number:
010611972
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:
| 2642-860-01 ITEM 23 | 96169 | ELECTRIC BOAT CORPORATION | | 2642-860-02 ITEM 10 | 96169 | ELECTRIC BOAT CORPORATION | | 4687582-0010 | 96169 | ELECTRIC BOAT CORPORATION | | 4687582-10 PIECE 10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 845-4687581 ITEM 23 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 4.980 INCHES NOMINAL | | OVERALL DIAMETER | 6.927 INCHES MINIMUM AND 6.937 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9046,TY 3,COMP C MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-9046,TY 1,COMP B MIL SPEC 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 32.0 MICROINCHES BOTTOM | | THICKNESS | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM |
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