K51-21 cross-references to AE part TMS60-27490.
| A | 0.772 |
| B | 1.250 |
| C | 0.900 |
| D | 0.000 |
| E | 0.000 |
| T | 0.125 |
| T1 | 0.000 |
| T2 | 0.000 |
| T3 | 0.000 |
| R | 0.125 |
| R1 | 0.125 |
| R2 | 0.010 |
| R3 | 0.010 |
| R4 | 0.125 |
| R5 | 0.010 |
| R6 | 0.125 |
| R7 | 0.010 |
| Degree | 90 |
| Circle Size | 2 - 3 C/S |
| Factor | 13 |
| Weight/Foot | 0.401 |
