| EXTERNAL PREBENT KEY WIDTH | 0.114 INCHES MINIMUM AND 0.119 INCHES MAXIMUM |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.479 INCHES MINIMUM AND 0.489 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5528 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5643 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| III MATERIAL | STEEL COMP 631 OR STEEL COMP 630 BODY |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, SPRING, WAVE |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 1.080 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMSQQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE BODY |
| SURFACE TREATMENT | PASSIVATE BODY |