SECTION II TM 9-2320-285-24P (1) (2) (3) (4) (5) (6) ITEM SMR PART NO CODE CAGEC NUMBER DESCRIPTION AND USABLE ON CODES (UOC) QTY GROUP 1211 TRAILER BRAKE CONNECTIONS AND CONTROLS FIG.  89 TRACTOR PROTECTION VALVE 1 PFFFF 06853 279000 VALVE, AIR PROTECTION.................................................... 2 2 PFFZZ 06853 243850 .BODY, VALVE...................................................................... 1 3 PAFZZ 06853 243849 .VALE , PROTECTION VA  .................................................... 1 4 PFFZZ 06853 248065 .RETAINER, VALVE PART OF KIT P/N................................... 1 28058 5 PFFZZ 06853 248068 .RING, RETAINING PART OF KIT P/N.................................... 1 280858 6 PFFZZ 06853 235063 .PACKING, PREFORMED FART OF KIT P/N.......................... 1 280858 7 PAFZZ 06853 248064 .PLUNGER, DETENT ............................................................ 1 8 PFFZZ 06853 231551 .PACKING, PREFORMED PART OF KIT P/N.......................... 1 280858.................................................................................. 9 PFFZZ 06853 248067 .SPRING, HELICAL, COMP PART OF KIT P/N........................ 1 280858 10 KFFZZ 06853 242775 .PACKING, PREFORMED PART OF KIT P/N.......................... 1 268058 11 PAFFF 06853 283826 .SEAT, VALVE  ..................................................................... 1 12 PAFZZ 06853 248066 ..SEAT, VALVE  .................................................................... 1 13 PFFZZ 06853 239615 ..DIAPHRAGM VALVE, SPE FART OF KIT ............................. 1 P/N 280858  .......................................................................... 14 PAFZZ 06853 239708 ..WASHER, BRAKE DIAPHR.................................................. 1 15 PFFZZ 06853 242109 ..SCREW, TAPPING .............................................................. 1 16 PFFZZ 06853 239476 .RING, RETAINING PART OF KIT P/N.................................... 1 280858 89-1