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National Stock Number:
5310-01-568-2355
Federal Supply Class:
5310
National Item Identification Number:
015682355
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:
| 12505345 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| END CUT ANGLE | 45.0 DEGREES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 8.5 MILLIMETERS NOMINAL | | LENGTH | 25.4 MILLIMETERS NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A1008/A1008M, SHEET. COLD ROLLED (14 GA) ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1008 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, EAD | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | WIDTH ACROSS FLATS | 18.5 MILLIMETERS NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 19207 12420325 METHOD 1 OR 4 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PAINT OVERALL | | THICKNESS | 1.5 MILLIMETERS NOMINAL |
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