| 421AK00850C | BLEED DOWN ORIFICE | THIRD DESIGN | 80.0 cm3/r [4.88 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00823C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 41.0 cm3/r [2.50 in3/r] | NO FLOW COMPENSATOR SETTING | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00823B | NO CONTROL SPECIAL FEATURES | Second Design | 41.0 cm3/r [2.50 in3/r] | NO FLOW COMPENSATOR SETTING | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00813C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 80.0 cm3/r [4.88 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00807C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 62.3 cm3/r [3.80 in3/r] | 22.75-25.51 bar [330-370 lbf/in2] | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00805C | BLEED DOWN ORIFICE | THIRD DESIGN | 49.2 cm3/r [3.00 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00799C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 62.3 cm3/r [3.80 in3/r] | NO FLOW COMPENSATOR SETTING | NO PAINT |
| 421AK00796C | NO CONTROL SPECIAL FEATURES | THIRD DESIGN | 41.0 cm3/r [2.50 in3/r] | NO FLOW COMPENSATOR SETTING | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00792C | BLEED DOWN ORIFICE | THIRD DESIGN | 62.3 cm3/r [3.80 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00791C | BLEED DOWN ORIFICE | THIRD DESIGN | 80.0 cm3/r [4.88 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | BLUE PRIMER PER SPEC 209-13CD |
| 421AK00775B | NO CONTROL SPECIAL FEATURES | Second Design | 62.3 cm3/r [3.80 in3/r] | 12.41-15.17 bar [180-220 lbf/in2] | BLUE PRIMER PER SPEC 209-13CD |