GRACO Piston, 17.066 in Length, 0.194 in Diameter, UHMW HD - (SKU: 01/0056-1AY/88)This part is a piston designed for use in GRACO equipment. It is constructed from UHMW HD (Ultra High Molecular Weight High Density) material, known for its durability and resistance to wear. The piston is intended to provide reliable movement and sealing within compatible GRACO systems. Key Features: Piston 17. 066 in length, 0. 194 in diameter UHMW HD (Ultra High Molecular Weight High Density) Compatible with GRACO equipment requiring this specific

Ensure all old seals and diaphragms are removed before installing new components

Santoprene (all components)

designed for use in GRACO diaphragm pumps with 2- to 4-inch pump sizes

compatible with 3/8 inch NPTF threaded connections[2][3][5]

It includes components made from stainless steel (SS) and Santoprene (SP)

Compatible with GRACO Husky 1590 series pumps and similar industrial equipment

Comprehensive kit (includes lubricant and grease for proper installation and operation)

Maximum free flow delivery: 50 gpm (189 lpm)

Ensure the pin is fully seated and locked in place before operating the equipment

chemical-resistant sealing surface within the pump assembly

Quick knockdown fluid sections for easy maintenance

This pump is intended for use within GRACO equipment for fluid dispensing