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National Stock Number:
5310-01-509-2815
Federal Supply Class:
5310
National Item Identification Number:
015092815
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:
| 940738 | 62983 | EATON AEROSPACE, LLC | | 940738 | 90166 | EATON AEROSPACE, LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM | | MATERIAL | STEEL COMP 630 OVERALL | | III SUPPLEMENTARY FEATURES | DRAWING CALLS THIS: WASHER - HIGH STRENGTH | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.520 INCHES NOMINAL | | SPECIAL FEATURES | MATERIAL IS 5604 STAINLESS STEEL (17-4PH) | | THICKNESS | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
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