"TORQUE LIMITER-HUB AND PRESSURE PLATE:CAST IRON;FRICTION FACES:ORGANIC MATL;BUSHIN:SINTERED IRON;PRESSURE PLATE,PILOT PLATE AND ADJUSTMENT NUT:CARBON STEEL;DISK SPRING:SPRING STEEL;TORQUE CAPACITY 35/155 FT/LB;STORAGE AND OPERATING TEMP -57 TO 68 DEG C;OPERATES IN 100 PCT HUMIDITY AT 0/95 DEG F;TORQUE LIMITER FINSH:CAD. PLATED AND DICHROMATE TREATMENT EXC. DISK SPRING AND FRICTION FACING;LUBRICATED PER MIL-G-81322 W/MOBIL OIL CORP.,GREASE-MOBIL NO. 28;L.H.DRIVE CLUTCH,INNER RACE DRIVING;4.380 IN. LG;5 IN. DIA"