| BECKMAN Series | Spectrol Series | NTE Series | Description |
| 2157 | 15-1-11 | 503-0001 | 1" Rectangular, 10-Turn Digital Dial |
| 2257 | 15-2-11 | 503-0002 | 1" Rectangular, 100-Turn Digital Dial |
| 64W | 74W | 500-0280 | 1/4" Square, MT, Cermet, Top Adj |
| 64X | 74X | 500-0260 | 1/4" Square, MT, Cermet, Side Adj |
| 67P, 66P* | 64P | 500-0170 | 3/8" Square, MT, Cermet, Side Adj |
| 67W, 66W* | 64W | 500-0192 | 3/8" Square, MT, Cermet, Top Adj |
| 67X, 66X* | 64X | 500-0215 | 3/8" Square, MT, Cermet, Side Adj |
| 67Y | 64Y | 500-0240 | 3/8" Square, MT, Cermet, Top Adj |
| 7276RXXL.25 | 536-11-XXX | 502-0115 | 7/8" Dia., 10-Turn, Wirewound |
| 7286RXXL.25 | 534-1X-XXX | 502-0100 | 7/8" Dia., 10-Turn, Wirewound |
| 72P | 63X | 500-0365 | 3/8" Square, ST, Cermet, Side Adj |
| 72X | 63P | 500-0070 | 3/8" Square, ST, Cermet, Top Adj |
| 7486RXXL.25 | 535-1X-XXX | 502-0145 | 7/8" Dia., 5-Turn, Wirewound |
| 78P | 70Y | 500-0390 | 1 1/4" Rectangular, MT, Cermet, Pins |
| 82P | 75H | 500-0300 | 1/4" Round, ST, Cermet, Top Adj |
| 89P | 43P | 500-0001 | 3/4" Rectangular, MT, Cermet |
| RB-ALT | 21-1-11 | 503-0006 | 1 13/16" Round, 15-Turn Vernier Dial |