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National Stock Number:
5310-00-786-3999
Federal Supply Class:
5310
National Item Identification Number:
007863999
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:
| 12337 | 84760 | STANADYNE CORPORATION | | 13459 | 84760 | STANADYNE CORPORATION | | 1824 | 84760 | STANADYNE CORPORATION | | 210-1227-00 | 80009 | TEKTRONIX, INC. | | 5702-234-48 | 86928 | SEASTROM MANUFACTURING CO INC | | 5702-234-48-C2 | 86928 | SEASTROM MANUFACTURING CO INC | | 8527516 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 9F9831 | 11083 | CATERPILLAR INC | | SP23C | 05457 | BRITISH AEROSPACE NORTH AMERICA INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM | | OVERALL DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THICKNESS | 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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