| 421AK00205C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 49.2 cm3/r [3.00 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | 206.8-213.7 bar [3000-3100 lbf/in2] |
| 421AK00204C | BLEED DOWN ORIFICE | THIRD DESIGN | 62.3 cm3/r [3.80 in3/r] | 22.75-25.51 bar [330-370 lbf/in2] | 275.8-282.7 bar [4000-4100 lbf/in2] |
| 421AK00204B | BLEED DOWN ORIFICE | Second Design | 62.3 cm3/r [3.80 in3/r] | 22.75-25.51 bar [330-370 lbf/in2] | 275.8-282.7 bar [4000-4100 lbf/in2] |
| 421AK00200C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 62.3 cm3/r [3.80 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | 241.3-248.2 bar [3500-3600 lbf/in2] |
| 421AK00194C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 49.2 cm3/r [3.00 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | 275.8-282.7 bar [4000-4100 lbf/in2] |
| 421AK00192C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 41.0 cm3/r [2.50 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | 206.8-213.7 bar [3000-3100 lbf/in2] |
| 421AK00189C | BLEED DOWN ORIFICE | THIRD DESIGN | 41.0 cm3/r [2.50 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | 206.8-213.7 bar [3000-3100 lbf/in2] |
| 421AK00183C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 49.2 cm3/r [3.00 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | 206.8-213.7 bar [3000-3100 lbf/in2] |
| 421AK00171C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 62.3 cm3/r [3.80 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | 241.3-248.2 bar [3500-3600 lbf/in2] |
| 421AK00170B | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 62.3 cm3/r [3.80 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | 241.3-248.2 bar [3500-3600 lbf/in2] |
| 421AK00160C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 49.2 cm3/r [3.00 in3/r] | NO FLOW COMPENSATOR SETTING | 148.2-155.1 bar [2150-2250 lbf/in2] |