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National Stock Number:
5310-01-285-4016
Federal Supply Class:
5310
National Item Identification Number:
012854016
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:
| 707 2336 | 81495 | KOEHRING CRANES INC DBA TEREX CRANES DIV WAVERLY OPERATIONS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 70.0 ROCKWELL A MINIMUM AND 76.0 ROCKWELL A MAXIMUM | | HOLE DIAMETER | 2.810 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | 101 CAGEC 81495 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | OVERALL DIAMETER | 4.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.0598 INCHES NOMINAL |
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