Industrial 70009-501 Naval Valve Hand Crank Arm is a hand-operated crank arm used to actuate a naval valve, specifically described as the Naval Underwater Log Sea Valve Hand Crank Arm. It carries the USGI designation 70009-501 and is also cataloged as 50132-1, indicating a military surplus origin. This part is intended for manual valve control in naval or industrial applications where precise, hands-on operation of a sea valve is required.
