4320-01-198-0822 (G3030-8G30C21B-12B31)
4320-01-198-0822 is equivalent to manufacture part number 37U55D1. It is a rotary pump and is classified under Federal Supply Class 4320 (4320 - Power and Hand Pumps), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4320 - Power and Hand Pumps and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.