Partner FC40 Parts | Hydrualic Flow Control Parts Code NamePrice 505510272 FITTING $8.38 506173621 COUPLER 1/2in (FEMALE) FF- NPT New PN 506173624 $68.03 506173624 COUPLER 1/2in (FEMALE) FF- NPT $68.03 506173821 COUPLER 1/2in (MALE) FF- NPT New PN 506173824 $27.95 506173824 COUPLER 1/2in (MALE) FF- NPT $27.95 531031141 FITTING New PN 505510272 $8.38 531031146 PLUG- 1/16in NPT $1.32 531031174 RUBBER MOUNTING $5.46 531031187 DETENT SPRING $2.73 531031190 HANDLE $11.55 531031191 PRESSURE RELIEF VALVE $142.69 531031192 HYDRAULIC FLOW VALVE $131.33 531031196 FITTING - PLUG ALLEN $0.98 531031561 BACK-UP RING $1.51 531031562 RETAINING RING 3/4in $1.21 531031564 BACK-UP RING $1.51 531031567 PLUNGER DETENT $10.03 531031618 FITTING- no longer available - 8/08 $0.00 531031629 PRESSURE GAUGE (FC40) $69.94 531031630 COUPLER 1/2in (MALE) FF-NPT- no longer available - 8/08 $0.00 631031193 HYDRAULIC FLOW VALVE - no longer available - 8/08 $0.00 721420600 PIN- SPRING ISO 8752 - 3 X 12 $1.00 734115301 WASHER - LOCK $0.66 740481303 O-RING New PN 531031251 $1.63 740481502 O-RING 15.60x1.78- NITRILE RUBR $0.88 740481702 O-RING 18.77x1.78- NITRILE RUBR $0.77