SECTION II TM 9-2815-225-34&P (1) (2) (3) (4) (5) (6) (7) ITEM SMR PART NO CODE NSN CAGEC NUMBER DESCRIPTION AND USABLE ON CODES (UOC) QTY GROUP 0112 ENGINE BRAKE FIG.  18 ENGINE RETARDER 1 PAFHH 2815010852574 75078 016053 BRAKE ASSEMBLY, ENGI ENGINE BRAKE.................. 1 2 PAFHH 2815011413261 75078 009917 .HOUSING, ENGINE RETA BRAKE ............................... 3 3 PCHZZ 6150011147119 75078 002390 ..LEAD, ELECTRICAL.................................................... 1 4 PAHZZ 4810010890534 75078 004205 ..CARTRIDGE, SOLENOID  SOLENOID......................... 1 5 PCHZZ 5331010861013 75078 001081 ..O-RING ....................................................................... 1 6 PCHZZ 5331010853105 75078 001082 ..O-RING ....................................................................... 1 7 PCHZZ 5330010866196 75078 001083 ..PACKING, PREFORMED............................................. 1 8 PAHZZ 5310011573762 75078 001026 ..NUT, PLAIN, HEXAGON M915 ONLY .......................... 2 8 PAHZZ 5310011467302 75078 009353 ..NUT, SELF-LOCKING, EX M915A1 ONLY ................... 2 9 PAHZZ 5305011867042 75078 001031 ..SETSCREW 0.375-24X0.75IN.LG, ............................... 2 RETARDER, ENGINE-JACOBS BR.M915 ONLY............ 9 PAHZZ 5305011446206 75078 009916 ..SETSCREW M915A1 ONLY ........................................ 2 10 PAHZZ 5940010854426 75078 002299 ..TERMINAL, FEEDTHRU, I ........................................... 1 11 PAHZZ 5360011457607 75078 007447 ..SPRING, FLAT MASTER PISTON................................ 2 12 PAHZZ 5310011458405 75078 001030 ..WASHER, FLAT .......................................................... 1 13 PAHZZ 5305011458384 75078 001492 ..SCREW, CAP, HEXAGON H........................................ 2 14 PAHZZ 2815010887328 75078 004089 ..PISTON, MASTER....................................................... 2 15 PAHZZ 5325010878727 75078 001023 ..RING, RETAINING....................................................... 2 16 PAHZZ 5340010854439 75078 008895 ..RETAINER, HELICAL CO SLAVE PISTON................... 2 17 PAHZZ 5360010849066 75078 001022 ..SPRING, HELICAL, COMP .......................................... 2 18 PAHZZ 2815010986755 75078 001484 ..PISTON, SLAVE  M915 ONLY ..................................... 2 18 PAHZZ 2815010986755 75078 007623 ..PISTON, SLAVE  M915A1 ONLY ................................. 2 19 PAHZZ 2815011461997 75078 007696 ..PISTON, SLAVE  SLAVE, FOR MILLED....................... 2 CYLINDER HEADS........................................................ 20 PAHZZ 4820010893939 75078 001521 ..CARTRIDGE, CHECK VAL  M915 ONLY...................... 2 20 PAHZZ 4820011464593 75078 007505 ..VALVE, CHECK M915A1 ONLY ................................... 2 21 PAHZZ 5360010899103 75078 001519 ..SPRING CONTROL VALVE, OUTER ........................... 2 22 PAHZZ 5360011457555 75078 007500 ..SPRING, HELICAL, COMP CONTROL......................... 2 VALVE, INNER .............................................................. 23 PAHZZ 2815011459402 75078 004136 ..PLATE, COVER, VALVE, D  CONTROL VALVE ........... 2 24 PCFZZ 5330010863996 75078 13294 ..GASKET BRAKE HOUSING ........................................ 3 25 PCFZZ 5330011456083 75078 010180 ..PACKING, PREFORMED............................................. 3 26 PAFZZ 2520010856128 75078 002969 ..SCREW SHAFT LOCK................................................. 2 27 PAFZZ 5307011095972 75078 1764 ..STUD, SHOULDERED AND M915 ONLY ..................... 2 27 PAFZZ 5306011076371 75078 003678 ..BOLT, EXTERNALLY REL M915A1 ONLY ................... 1 28 PAFZZ 5310011475072 75078 002514 ..WASHER, BEARING ................................................... 1 29 PFFZZ 5307011471316 75078 2856 ..STUD, SHOULDERED  M915 ONLY ............................ 2 29 PAFZZ 5307011471316 75078 002856 ..STUD, SHOULDERED M915A1 ONLY......................... 1 30 PAFZZ 5307011472821 75078 001232 ..STUD, SHOULDERED................................................. 4 31 PAFZZ 5307011458449 75078 001199 ..STUD, SHOULDERED................................................. 8 32 PAOZZ 15434 3045534 RECTANGULAR SEAL .................................................. 1 33 PAOZZ 5365011475030 75078 001234 SPACER, SLEEVE ........................................................ 6 34 PAOZZ 5310011446115 75078 001094 NUT, PLAIN, CONE SEAT ............................................. 6 35 PAOZZ 75078 002680 LOCK, PLATE................................................................ 6 END OF FIGURE 18-1