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National Stock Number:
5310-01-572-4252
Federal Supply Class:
5310
National Item Identification Number:
015724252
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:
| 91455A999 | 39428 | MCMASTER-CARR SUPPLY CO | | MW6420000YZ0000 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | YELLOW OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 13.0 MILLIMETERS MINIMUM AND 13.2 MILLIMETERS MAXIMUM | | OVERALL DIAMETER | 23.4 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | GM12 FLAT WASHER | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | MATERIAL LOW CARBON STEEL;OD MIN 23.48MM, MAX 24.00MM;ID MIN 13.00MM, MAX 13.27MM;THICKNESS MIN 2.30, MAX 2.70 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, SC1. TYPE II NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 2.3 MILLIMETERS MINIMUM AND 2.7 MILLIMETERS MAXIMUM |
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