№ Part Number Description Part count in models 201418-П29 Bolt М6х1х16 4 201454-П29 Bolt М8х1,25х16 2 214Б-3721040 Dual-tone air horn C408 1 214Б-3721043 Signal pneumatic switch BK-40A 1 220103-П29 Screw М6х1х12 3 250Б-3721011 Horns attachment bracket 1 250Т-3721045-30 Pipe from switch to air horn 1 252038-П29 Washer 8 2 252134-П2 Spring washer 6 7 252135-П2 Spring washer 8 2 314629-П29 Union K1/8"M16x1,5 1 С306Г-3721000 Low-tone horn C306Г 1 С307Г-3721000 High-tone horn C307Г 1