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National Stock Number:
5310-01-557-6800
Federal Supply Class:
5310
National Item Identification Number:
015576800
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:
| BS4320-M8X17-A2D | K7766 | BRITISH STANDARDS INSTITUTION | | R2003018 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | R2003018 | SZ177 | DENEL VEHICLE SYSTEMS | | R2003018-CB00 | SZ177 | DENEL VEHICLE SYSTEMS | | R2003018-CC00 | SZ177 | DENEL VEHICLE SYSTEMS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 8.4 MILLIMETERS NOMINAL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER FLAT NORMAL DIA THIN TO BS4320 TABLE B | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 17.0 MILLIMETERS NOMINAL | | SPECIAL FEATURES | SURFACE TREATMENT ZINC PLATE TO DIN 267 PART 9 PROCESS GROUP D | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 1.0 MILLIMETERS NOMINAL |
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