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 1211  TRAILER BRAKE CONNECTIONS AND CONTROLS FIG.  175  TRACTOR PROTECTION VALVE 1 PAOFF   06853 279000 VALVE,AIR TRACTOR PROTECTION ....................... 1 2 PFFZZ 06853 243850 BODY,TRACTOR PROTECTION VALVE ................... 1 3 XDFFF 06853 219010 VALVE ASSEMBLY TRACTOR PROTECTION.......... 1 4 XDFZZ 06853 243852 RETAINER,HELICAL COMPRESSION 1 SPRING 5 XDFZZ 06853 243853 SPRING,HELICAL VALVE SEAT TO 1 VALVE BODY .............................................................. 6 PFFZZ 06853 239645 PACKING,PREFORMED VALVE SEAT 1 PACKING..................................................................... 7 PFFZZ 06853 244586 SEAT, VALVE SPRING AND PLUNGER 1 RETAINING ................................................................. 8 PFFZZ 06853 239737 SPRING PRELOAD ..................................................... 1 9 PFFZZ 06853 239615 DIAPHRAGM,VALVE SEAT SEALING........................ 1 10 PFFZZ 06853 239708 WASHER,BRAKE MOUNTING ................................... 1 11 XDFZZ 06853 242109 SCREW,MACHINE DIAPHRAGM MOUNTING........... 1 12 PFFZZ 06853 239136 PACKING,PREFORMED VALVE PLUNGER 1 PACKING 13 PFFZZ 06853 24384S VALVE PROTECTION EXHAUST............................... 1 14 XDFZZ 06853 243848 PLUNGER QUICK RELEASE...................................... 1 15 PFFZZ 06853 235063 PACKING,PREFORMED VALVE PLUNGER 1 PACKING..................................................................... 16 PFFZZ 96906 MS16625-1162 RING,RETAINING VALVE SEAT ................................ 1 END OF FIGURE 175-1