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National Stock Number:
5310-01-426-8873
Federal Supply Class:
5310
National Item Identification Number:
014268873
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:
| 566-6404304 FIND 41 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 566-6404304-41 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | NICKEL ALLOY 400 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 4.312 INCHES MINIMUM AND | | 4.322 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 7.970 INCHES MINIMUM AND | | 7.990 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.125 INCHES NOMINAL | | SPECIAL FEATURES | 10 HOLES LOCATED ALONG WASHER SERVICE ; EACH WITH A OD 0.935-.0.948 INCHES AND THEIR CENTER HOLES ARE 6 INCHES FROM THE CENTER OF THE WASHER -9 |
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