TM 55-1680-358-12&P FIGURE AND DESCRIPTION UNITS USABLE INDEX PER ON NO PART NUMBER FSCM 1 2 3 4 5 6 7 ASSY CODE 3-9-35 MS21044-N4 96906 . .NUT (AP) ................................ ................................ .................... 8 -36 18049 B 297 81868 . .PIN, Hinge (AP)  ................................ ................................ .......... 10 -37 18049 E 189-2 81868 . .GUIDE, Center rail, inboard, right-hand ................................ ........ 1 -38 18133 C 500 81868 . .NAMEPLATE  ................................ ................................ .............. 1 -39 18049 E 189-1 81868 . .GUIDE, Center rail, inboard, left-hand  ................................ ......... 1 18049 D 191-1 81868. .TIEDOWN ASSEMBLY, Center rail ................................ ............. 2 -40 18049 D 192-1 81868 ..CENTER, Rail tiedown  ................................ ............................... 1 -41 MS20426AD4-10 96906 ..RIVET, Solid (AP)  ................................ ................................ ...... 2 -42 MS21052-L6 96906 ..PLATE, Nut ................................ ................................ ................ 1 -43 353512-1 98897 ..RING ................................ ................................ .......................... 1 -44 338018-4 98897 ..STRAP ................................ ................................ ....................... 1 -45 AN960-616L 88044 ..WASHER, Flat (AP) ................................ ................................ ... 2 -46 MS21044-N6 96906 ..NUT (AP)................................ ................................ .................... 2 -47 NAS517-6-10 80205 ..SCREW, Flat head (AP) ................................ ............................. 2 3-46