Vickers Piston assembly for hydraulic pump Mfg. Part No. 310510

Description

Sperry/Vickers Power and Motor Control Systems Piston Assembly for hydraulic pump (we think maybe for aircraft).    Mfg. Part No 310510.
New and never used, sealed in packaging and box. Boxes are warn from storage for many years.
As seen in pictures (this part in the picture was removed  from box and packaging for viewing, you will recieve one that has not been opened).