Special Features:

0.808 in. Dia; wt .11 lbs max; spring retainer cap must withstand a min 15 in. Lbs; removal torque; shall withstand magnetic strength using 40 g static load without actuation; prevents actuation below 120 degrees f; permits actuation above 140 degrees f; once actuated with the test fluid pressure released, the button shall withstand a 5 lb reset load without resetting and shall remain in the actuated position until the indicator is inverted and manually depressed; actuation pressure 47-55 lbs square in. Differential using test fluid at 140 degrees f to 150 degrees f; reset pressure 32 pound square in. Differential min using test fluidat 140 degrees f to 150 degrees f; environmental condition, fluid oil lub mil-l-7808, mil-l-23699; pressure operating 0 psiato 1000 psia, proof 1500 psia, burst 3000 psia; temp operating -65 degrees f to 415 degrees f

Properties:

A mechnical indicator used on aircraft engine for dry or liquid type cleaners to provide a visual warning signal when a filter needs cleaning or changing.