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National Stock Number:
5310-00-876-3592
Federal Supply Class:
5310
National Item Identification Number:
008763592
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:
| 99-51505-021 | 0WLU1 | GENERAL DYNAMICS CORP CONVAIR DIV LINDBERGH FIELD FACILITY | | 99-51505-021 | 14170 | HUGHES MISSILE SYSTEMS CO SAN DIEGO | | 99-51505-021 | 63910 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I | | 99-51505-021 | 7B709 | TRACOR FLIGHT SYSTEMS INC SUB OF TRACOR INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.318 INCHES MINIMUM AND | | 0.343 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.745 INCHES MINIMUM AND | | 0.770 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.052 INCHES MINIMUM AND | | 0.072 INCHES MAXIMUM | | SPECIAL FEATURES | ONE BEARING SURFACE PAINTED GREEN |
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