Special Features:

Item name text is pump, axial pistons; fsc is 4320 which represents power and hand pumps; the definition states that the piston displacement is variable piston type which is what the end item identification describes

Properties:

A positive displacement device which utilizes the reciprocating and rotary motion of a multiple number of pistons which are arranged radially around a drive shaft as a means of transferring a liquid from one place to another. The piston displacement may be fixed or variable. It is designed to be driven by a prime mover which is not an integral part of the pump.