NAVAL SEA SYSTEMS COMMAND | 53711 |
CROSS-SECTIONAL SHAPE STYLE | BLANK RECTANGULAR |
HOLE DIAMETER | 1.765 INCHES MINIMUM AND 1.770 INCHES MAXIMUM |
PERIPHERAL SHAPE STYLE | ROUND |
CENTER HOLE SHAPE STYLE | ROUND |
THICKNESS | 0.250 INCHES NOMINAL |
OVERALL DIAMETER | 2.369 INCHES MINIMUM AND 2.371 INCHES MAXIMUM |
OUTSIDE LEFT CORNER CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
SURFACE FINISH | 63.0 MICROINCHES INNER |
SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
SURFACE FINISH | 63.0 MICROINCHES TOP |
MATERIAL | COPPER ALLOY 606 OVERALL OR COPPER ALLOY 614 OVERALL OR COPPER ALLOY 630 OVERALL OR COPPER ALLOY 642 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-00465 FED SPEC ALL MATERIAL RESPONSES OVERALL |
STYLE DESIGNATOR | A15J NON-CIRCULAR W/O BOLT HOLES |
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. |