| GAP OPENING | OPENING LESS THAN 90 DEGREES |
| END STYLE | VERTEX OUTSIDE PERIPHERY |
| INSIDE DIAMETER | 42.050 MILLIMETERS NOMINAL |
| MAJOR THICKNESS | 1.695 MILLIMETERS NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | EXTERNAL RING |
| MATERIAL | STEEL COMP 1070 |
| MINOR THICKNESS | 1.685 MILLIMETERS NOMINAL |
| OUTSIDE DIAMETER | 42.500 MILLIMETERS NOMINAL |
| RING STYLE | ROUND CAP |
| SPECIAL FEATURES | GROOVE WIDTH 1.850 +.14/-.00, RING RADIAL WALL 4.0 TO 4.020 |