4810-00-624-0189 (HVA162-633PC17)
4810-00-624-0189 is equivalent to manufacture part number FV77-249-1. It is a piston guide and is classified under Federal Supply Class 4810 (4810 - Valves, Powered), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4810 - Valves, Powered and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.