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National Stock Number:
5310-01-090-3076
Federal Supply Class:
5310
National Item Identification Number:
010903076
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:
| 3031T32P01 | 02653 | BERKSHIRE MANUFACTURED PRODUCTS, INC. | | 3031T32P01 | 32543 | WHITCRAFT LLC | | 3031T32P01 | 99207 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | A50TF91, CL A MFR REF SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.219 INCHES MINIMUM AND | | 0.225 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.430 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.019 INCHES MINIMUM AND | | 0.023 INCHES MAXIMUM | | HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND | | 26.0 ROCKWELL C MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99207 | | DESIGN CONTROL REFERENCE | 3031T32P01 |
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