SECTION II TM 5-4220-225-24P GROUP 02 MK 12 HELMET ASSEMBLY FIG. 12 ADJUSTABLE EXHAUST VALVE ASSEMBLY 1 96906 MS16995-41 SCREW, CAP, SOCKET HEAD, PART OF KIT, ....................... 2 P/N 592-4758666 2 96906   MS35338-138 WASHER, LOCK, PART OF KIT, ............................................. 4 P/N 592-4758666 3 96906 MS16995-35 SCREW, CAP, SOCKET HEAD................................................ 2 4 PDOOO 41620 592-4758551-0 EXHAUST VALVE ASSEMBLY, ADJUSTABLE......................... 1 5 41620 9900-06-1 COVER ASSEMBLY, ADJUSTABLE......................................... 1 EXHAUST VALVE, PART OF KIT, P/N 592-4758666 6 96906 MS51023-150 SETSCREW-HEX, PART OF KIT ............................................. 1 P/N 592-4758666 7 96906 MS35675-10 GROOVE PIN .......................................................................... 1 8 80064 592-4758578 EXHAUST VALVE HANDLE ..................................................... 1 9 80064 592-4758577 ADJUSTABLE EXHAUST VALVE COVER................................ 1 10 96906 MS16555-601 PIN, STRAIGHT, HEADLESS................................................... 1 11 80064 592-4758557 STOP....................................................................................... 1 12 80064 592-4758554 FRICTION DRAG INSERT, PART OF KIT, ............................... 1 P/N 592-4758666 13 96906 MS51029-132 SET SCREW, PART OF KIT, ................................................... 1 P/N 592-4758666 14 80064 592-4758562 DIFFUSER, EXHAUST VALVE, PART OF ................................ 1 KIT, P/N 592-4758666 15 80064 592-4758563 SPRING, HELICAL, COMP, PART OF KIT, .............................. 1 P/N 592-4758666 16 80064 592-4758564 POPPET VALVE ASSEMBLY, PART OF .................................. 1 KIT, P/N 592-4758666 17 80064 592-4758567 CHIN BUTTON, POPPET, PART OF KIT, ................................ 1 P/N 592-4758666 18 96906 MS35675-10 GROOVE PIN .......................................................................... 1 19 80064 592-4758566 POPPET VALVE STEM............................................................ ` 20 80064 592-4758565 POPPET VALVE DISK ............................................................. 1 21 96906 AS 568-132 PACKING, PREFORMED, PART OF KIT,................................. 1 P/N 592-4758666 22 80064 592-4758561 RETAINER, VALVE, EXHAUST VALVE.................................... 1 PART OF KIT, P/N 592-4758666 23 80064 592-4758560 DIAPHRAGM, VALVE, PART OF KIT ....................................... 1 P/N 592-4758666 (1) ITEM NO. (2) SMR CODE (3) CAGEC (4) PART NO. (5) DESCRIPTION AND USABLE ON CODES (UOC) (6) QTY 12-1