SECTION II TM 5-3610-258-24P (1) (2) (3) (4) (5) (6) ITEM SMR PART NO CODE   FSCM NUMBER DESCRIPTION AND USABLE ON CODES (UOC) QTY GROUP 04 VACUUM BACK ASSEMBLY FIG.  4 VACUUM BACK ASSEMBLY 1 XDFFF 97403 13222E4810 VACUUM BACK ASSY................................................ 1 2 XDFZZ 97403 13222E5124 LOCK SOCKET........................................................... 2 3 XDFZZ 96906 MS35190-289 SCREW, MACHINE..................................................... 24 4 XDFZZ 97403 13222E4818 SHEET, PERFORATED .............................................. 1 5 XDFZZ 97403 13222E4812 VALVE ROTOR........................................................... 1I 6 XDFZZ 96906 MS20066-78 KEY, MACHINE........................................................... 1 7 XDFZZ 97403 13222E4813 SHAFT ........................................................................ 1 8 XDFZZ 96906 MS16997-30 SCREW, CAP, SOCKET HE ....................................... 1 9 XDFZZ 97403 13226E8343 VALVE TUBE .............................................................. 1 10 XDFZZ 96906 MS171532 PIN-SPRING ............................................................... 1 11 XDFZZ 97403 13222E4814 VALVE HANDLE. ........................................................ 12 XDFZZ 96906 MS16997-46 SCREW, CAP, SOCKET HE.. ..................................... 10 13 XDFZZ 97403 13222E4811 VALVE HOUSlNG ....................................................... 1 14 XDFZZ 97403 13222E4817 SPRING PLUNGER..................................................... 1 15 XOFZZ 96906 MS24585-1049 SPRING, HELICAL...................................................... 1 16 XDFZZ 97403 13226E8342 BACK FRAME ............................................................. 1 17 XAFZZ 96906 MS122080 INSERT, SCREW THREAD. ....................................... 10 18 XAFZZ 97403 13222E4819-1 SAND CASTING.......................................................... 1 END OF FIGURE 4-1