| BELL HELICOPTER TEXTRON INC. | 97499 |
| CROSS-SECTIONAL SHAPE STYLE | 1 RECTANGULAR |
| HOLE DIAMETER | 0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM |
| PERIPHERAL SHAPE STYLE | 1 ROUND |
| CENTER HOLE SHAPE STYLE | 1 ROUND |
| THICKNESS | 0.063 INCHES NOMINAL |
| OVERALL DIAMETER | 0.510 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| 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 ( .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 . 6 inches ( .15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be . 16 inches ( .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. |
LF-790
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