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National Stock Number:
5310-01-315-8870
Federal Supply Class:
5310
National Item Identification Number:
013158870
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:
| 270AS129 | 23808 | SUPERIOR COMPANIES, INC. | | 270AS129 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 48A7858 | 07878 | AERONAUTICAL AND SUPPORT EQUIPMENT TYPE/ASETDS/AFLCMC/EZSC | | 270AS129-1 | 23808 | SUPERIOR COMPANIES, INC. | | 270AS129-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 725-013 | 72741 | DORMAN PRODUCTS, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 101 OR COPPER ALLOY 102 OR COPPER ALLOY 104 OR COPPER ALLOY 105 OR COPPER ALLOY 107 OR COPPER ALLOY 110 OR COPPER ALLOY 113 OR COPPER ALLOY 114 OR COPPER ALLOY 116 OR COPPER ALLOY 120 OR COPPER ALLOY 121 OR COPPER ALLOY 122 OR COPPER ALLOY 123 OR COPPER ALLOY 125 OR COPPER ALLOY 127 OR COPPER ALLOY 128 OR COPPER ALLOY 130 OR COPPER ALLOY 142 OVERALL | | OVERALL DIAMETER | 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.032 INCHES NOMINAL |
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