Part Number: 150S1-6D (Coupling) Part Number: 150S1-8 (Coupling) Part Number: 150-S1-80 (Coupling half) Part Number: 150S180A (No description) Part Number: 150S1-8D (Coupling half) Part Number: 150S19-12 (Lapped valve) Part Number: 150S19-16 (Valve-sleeve) Part Number: 150S19-5 (Valve assy w/8130) Part Number: 150S19-8 (Valve) Part Number: 150S-20 (Seal) Part Number: 150S20A (Do-8) Part Number: 150-S2-10 (Ac parts) Part Number: 150S21-10 (Body) Part Number: 150S21-16 (Valve and body)