DS-1 double check valve with integral stop light switch. P/N 228165. NSN 4820009142983.
Also replaces K108141, 228165X, BW 228165, BX228165
Used on the M915A1, and M915, M916, M917, M918, M919, M920.
One 3/8 male pipe, two 1/4 inch female pipe ports.
8-32 threaded studs for switch wires.
The DS-1 combines the functions of a double check valve and the brake light switch into one unit.