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National Stock Number:
5310-00-205-9399
Federal Supply Class:
5310
National Item Identification Number:
002059399
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:
| 0A17030-9 | 06845 | RAYTHEON COMPANY | | 10L | 70318 | ALLMETAL SCREW PRODUCTS CORP | | 1453-NP | 73734 | FEDERAL SCREW PRODUCTS INC. | | 1453-NPADX | 1VN02 | AIRDALE EXPRESS LLC | | 3811-3-10 | 21900 | FEDERAL DIV OF VICTOREEN INSTRUMENT CO INC | | 626 | 65092 | SOLARTRON ELECTRONICS INC WESTON INSTRUMENTS DIV | | 82278-171 | 02734 | LOCKHEED MARTIN CORPORATION | | 82278-171 | 49671 | LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.193 INCHES MINIMUM AND 0.203 INCHES MAXIMUM | | OVERALL DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | NICKEL OVERALL | | THICKNESS | 0.032 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
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