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National Stock Number:
5310-00-526-6065
Federal Supply Class:
5310
National Item Identification Number:
005266065
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:
| 5266065 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM | | HOLE DIAMETER | 1.235 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | OVERALL DIAMETER | 1.781 INCHES MINIMUM AND 1.796 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-3065 GRADE SB615,B,E,F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER SYNTHETIC OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
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