A supporting cylindrical projection



A trunnion is a pin or pivot forming one of a pair on which something is supported. A supporting cylindrical projection on each side of a cannon or mortar. Trunnions are designed for use with clamp top type line post insulators. The recommended torque values -1/2 = 40-45 Ft. Lbs. The body and keeper are made of aluminum alloy. The hardware is made of steel and is hot dipped and galvanized to prevent weathering from affecting the hardware. The cotter pin is stainless steel. An RIV radio and TV suppressor spring is installed in one of the trunnions. The RIV suppressor spring is made of stainless steel.

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