TM 55-2210-223-24P (1) (2) (3) (4) (5) ITEM FSCM PART DESCRIPTION AND USABLE ON CODE (UOC)    QTY NUMBER NUMBER GROUP 21 TRUCK AND UNDERFRAME GROUP FIG.  179 TRUCK ASSEMBLY 40-7-2570 1 96906 PIN, COTTER (NSN 5315-00-899-5931) 4 2 90615 NUT, CASTLE (NSN 5310-00-281-5346) 4 3 90615 SPRING 4 4 96906 SPACER 4 5 96906 MS90725 SCREW, HEX-HEAD 4 6 90615 29812 HEADS,BRAKE 4 7 96906 MS24665-768 PIN, COTTER 4 8 96906 PIN,1 X 3 IN. 4 9 90615 SPACER, METAL 12 10 90615 LEVERS ASSEMBLY, VERTICAL BRAKE 4 11 90615 RODS, EQUALIZER 2 12 90615 142X63 HEADS, SLACKADJUSTER 1 13 96906 MS90725 SCREW, HEX-HEAD 8 14 96906 MS35338 WASHER, LOCK 8 15 90615 COVER, DUST, MADE FROM FELT 1 16 96906 MS90725-24 SCREW, HEX-HEAD, 3/8 X 1 1/2 IN. 24 17 96906 MS35338-46 WASHER, LOCK, 3/8 IN. 32 18 90615 PIN, RETAINER 4 19 90615 HANGERS, SUSPENSOIN SAFETY 4 20 96906 MS51967-09 NUT, HEX, 3/8-18 32 21 90615 PIN, SUSPENSIONN GUIDE 4 22 96906 MS519676-06 NUT, HEX-HEAD 1 23 90615 40-1-1940 SUSPENSION ASSEMBLY 1 24 96906 MS90725 SCREW, HEX-HEAD 12 25 96906 MS35338 WASHER, LOCK 12 26 96906 RETAINER 2 27 90615 67-3-1800 BELLOWS, TRACTION MOTOR 2 28 90615 40-105900 LINERS, PEDESTAL 4 29 96906 MS51967 NUT, HEX-HEAD 4 30 96906 MS35338 WASHER, LOCK 4 31 96906 MS51965 SCREW, HEX-HEAD 4 32 96906 MS27183 WASHER, FLAT 4 33 90615 40-2-4410 SEAT, EQUALIZER, SPRING 8 34 90615 SHIM 4 179-1