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National Stock Number:
5310-01-531-0858
Federal Supply Class:
5310
National Item Identification Number:
015310858
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:
| 5HW02229-119 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.715 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 613 OVERALL OR COPPER ALLOY 614 OVERALL OR COPPER ALLOY 623 OVERALL OR COPPER ALLOY 624 OVERALL OR COPPER ALLOY 630 OVERALL OR COPPER ALLOY 642 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 3.600 INCHES NOMINAL | | SPECIAL FEATURES | 13 EQUALLY SPACED HOLES DRILLED 0.438 DIAMETER, DRILLED HOLE CENTER TO DRILLED HOLE CENTER 2.360 NOMINAL | | THICKNESS | 0.100 INCHES NOMINAL |
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