SECTION II TM5-3810-294-34P (1) (2) (3) (4) (5) (6) ITEM SMR PART NO CODE FSCM NUMBER DESCRIPTION AND USABLE ON CODES (UOC) QTY GROUP 1208 AIR BRAKE SYSTEM FIG.  157 DIFFERENTIAL LOCKOUT CONTROL VALVE 1 PAOFF   06853 229614 VALVE CONTROL,DIFFERENTIAL LOCKOUT.......... 1 2 PFFZZ 06853 235197 PUSH BUTTON PLUNGER ACTUATING................... 1 3 PFFZZ 06853 202961 NUT,PLAIN,HEXAGON PLUNGER MOUNTING ........ 1 4 PFFZZ 62983 239766 PLUNGER QUICK RELEASE...................................... 1 5 PFFZZ 06853 214749 PACKING,PREFORMED PLUNGER .......................... 1 6 PFFZZ 06853 234833 SPRING,HELICAL PLUNGER HOLDING ................... 1 7 XDFZZ 06853 239092 BODY,CONTROL VALVE............................................ 1 8 XDFZZ 06853 211155 PIN,STRAIGHT ,HEADED VALVE BODY................... 1 INSERT........................................................................ 9 PFFZZ 06853 239750 DISK,VALVE CONTROL ............................................. 1 11 PFFZZ 06853 231728 PACKING,PREFORMED VALVE BODY END ............ 1 SEAL............................................................................ 12 PAFZZ 06853 234840 CAP,VALVE END GAS CYLINDER............................. 1 END OF FIGURE 157-1