| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| FEATURES PROVIDED | CASEHARDENED |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.812 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6345 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL OR AMS6349 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL OR STEEL COMP 4140 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER |
| III SUPPLEMENTARY FEATURES | EXPORT CONTROLLED DATA PER ITAR;EXEMPT FROM DISCLOSURE UNDER EXEMPTIONS 3 AND 4 OF FREEDOM OF INFORMATION ACT |
| PERIPHERAL SHAPE STYLE | ROUND |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL DIAMETER | 2.000 INCHES NOMINAL |
| SPECIAL FEATURES | USE ANY OF THE FOLLOWING MATERIALS-STEEL ALLOY 4130 AMS 6345,6348,6350,6528,6346 OR 6370;STEEL ALLOY 4140 AMS 6349,6382,6529 OR 6395;STEEL ALLOY 8630 AMS 62880 OR STEEL ALLOY 8750 AMS6328;ZINC COAT 0.3MILS THICK MIN SC 2 ASTM B633;EMBRITTLEMENT RELIEVE AFTER PLATING ASTM B633 |
| SPECIAL TEST FEATURES | WASHER TOLERANCE FOR OVERALL AND CENTERHOLE DIAMETER IS PLUS/MINUS 0.040INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TYPE VI,SC 2 SPEC NATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THICKNESS | 0.250 INCHES NOMINAL |