discharge muffler (1) ; stall proof; variable speed; reversible; rotary vane; 0.625 in. dia shaft w/0.190 in. sq. key; two 0.500 in. npt internally thded ports; four 0.375-16 unc-2b thd thru holes in round mtg flange; nema 56c mount; 4 hp at 100 psi
Used on lgm-118a. motor, pneumatic used on rails to move missile stages; motor is 1.50 hp variable speed, reversible, self sealing spring loaded vane type