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National Stock Number:
5310-01-400-3783
Federal Supply Class:
5310
National Item Identification Number:
014003783
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:
| 8909-922-040 | 20722 | THE ENTWISTLE COMPANY LLC |
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Techincal Specification:
| MATERIAL | STEEL COMP 1035 OR | | STEEL COMP 1037 OR | | STEEL COMP 1038 OR | | STEEL COMP 1039 OR | | STEEL COMP 1040 OR | | STEEL COMP 1042 OR | | STEEL COMP 1043 OR | | STEEL COMP 1044 OR | | STEEL COMP 1045 OR | | STEEL COMP 1046 OR | | STEEL COMP 1049 OR | | STEEL COMP 1050 OR | | STEEL COMP 1053 OR | | STEEL COMP 1054 OR | | STEEL COMP 1055 OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.812 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.469 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.170 INCHES MINIMUM AND | | 0.195 INCHES MAXIMUM | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM |
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