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National Stock Number:
5310-00-576-8010
Federal Supply Class:
5310
National Item Identification Number:
005768010
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:
| AMS-QQ-P-416B | 0U583 | SAE INTERNATIONAL | | AMS-QQ-P-416B | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | Q8H380-1 | 0WLU1 | GENERAL DYNAMICS CORP CONVAIR DIV LINDBERGH FIELD FACILITY | | Q8H380-1 | 14170 | HUGHES MISSILE SYSTEMS CO SAN DIEGO | | Q8H380-1 | 63910 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I | | FF-W-92B | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | Q8H380-1 | 7B709 | TRACOR FLIGHT SYSTEMS INC SUB OF TRACOR INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 10.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.203 INCHES NOMINAL | | OVERALL DIAMETER | 0.438 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.016 INCHES NOMINAL |
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