92932 T8990 71 : GEAR TRANSMISSION 25 15 18PR (rear) for the FH80 2 25 15 18PR (rear) for the FH80 2 1 doughnut shaped seal **Function:** Blocks the passage of gas or liquid when compressed between two mating surfaces **Dimensions:** Defined by two key measurements: Inner Diameter (ID) Cross Section (CS) **Applications:** Static sealing in flanges and fittings Dynamic sealing in rotating shafts and pistons Hydraulic and pneumatic systems Automotive components Aerospace equipment Food and beverage processing machinery Pharmaceutical manufacturing equipment **Performance Characteristics:** **Compression:** Typically designed for 18 20% compression in the cross sectional area **Temperature Range:** Typically varies by material 92932 T8990 71 : GEAR