Description Specifications Description The Haskel 17396 piston assembly is a high-quality replacement part for Haskel gas boosters. It is designed to withstand high pressures and temperatures, and to provide reliable performance and durability. The piston assembly consists of a piston rod, a piston head, a seal kit, and a spring. The piston rod is made of stainless steel and has a threaded end for easy installation. The piston head is made of aluminum and has a groove for the seal kit. The seal kit includes an O-ring, a backup ring, and a wear ring. The spring is made of steel and provides the necessary force to move the piston. The Haskel 17396 piston assembly is compatible with Haskel gas boosters models AG-15, AG-30, AG-60, AGD-15, AGD-30, and AGD-60. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Inner Diameter5.75 inchLength3.063 inch Literature & Docs Accessories