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National Stock Number:
5310-00-599-5401
Federal Supply Class:
5310
National Item Identification Number:
005995401
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:
| BAA072 | 89073 | REXARC INTERNATIONAL, INC | | FFW92A | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GKT649 | 0AT62 | SIEMENS ENERGY, INC. | | GKT649 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | GKT649 | 89073 | REXARC INTERNATIONAL, INC | | GKT649 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | P2518 | 03175 | ENVIREX INC DBA U S FILTER/ENVIREX PRODUCTS DIV ENVIREX INC | | P2518 | 79172 | SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS | | GKT649 | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.281 INCHES NOMINAL | | OVERALL DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL | LEAD OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.031 INCHES NOMINAL |
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