WASHER,FLAT,
| BOEING COMPANY, THE | 88277 |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| PERIPHERAL SHAPE STYLE | ROUND |
| CENTER HOLE SHAPE STYLE | ROUND |
| THICKNESS | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| OVERALL DIAMETER | 0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1020 OVERALL OR STEEL COMP 1025 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-698 T2 FED SPEC 1ST MATERIAL RESPONSE OVERALL AND MIL-S-7952 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM 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. |
