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National Stock Number:
5310-01-503-2134
Federal Supply Class:
5310
National Item Identification Number:
015032134
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:
| 10104096 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 5310PL0965845 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | S000849 | 0291H | ROSOMAK S.A | | WH03008 | 62161 | HUTCHINSON INDUSTRIES, INC | | S000849 | A001G | PATRIA LAND OY | | S000849 | A548G | PATRIA LAND SERVICES OY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | BLANK RECTANGULAR | | HOLE DIAMETER | 0.690 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4130 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 1.240 INCHES NOMINAL | | SPECIAL FEATURES | BREAK EDGES 0.040 INCH MAX ON OD PLUS ID/ONE SIDE ONLY; PROTECTIVE COATING MUST WITHSTAND 1000 HRS OD SALT SPRAY PER ASTM B117M CHROME FREE | | THICKNESS | 0.125 INCHES NOMINAL |
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