Air brake treadle valve assembly for all M939 series trucks (with or without ABS). P/N 102352. NSN 2530011126435. Made by Bendix. New, not remanufactured.
The 102352 dual brake valve is a suspended pedal, firewall mounted, foot operated
dual brake valve with two separate supply and delivery circuits for service and
The primary portion of the valve is mechanically operated by the pedal, and the
secondary portion of the valve is pneumatically actuated by primary circuit delivered
air pressure acting on a relay piston.
If loss of primary air supply occurs, extended treadle travel and mechanical force will
actuate the secondary portion brake valve. The primary circuit of the
brake valve is supplied by #1 Reservoir, and the secondary circuit is supplied by
All port functions are marked on the valve.