| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM |
| HOLE DIAMETER | 2.448 INCHES MINIMUM AND 2.450 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5506 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.045 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SPRING DISK-SAFETY COUPLING |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 3.863 INCHES MINIMUM AND 3.867 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| SPECIAL FEATURES | HEAT TREAT PER EPS 380; HARDNESS: 38 HRC, MINIMUM |
| STYLE DESIGNATOR | SPRING TENSION |