Complete o-ring set for all versions of the JACK with the exception of the MP7 variant. Plug screw included.

1x M1.5 x 6.5 (Buna 70) - Front Outside of Nozzle
2x M1.5 x 9.5 (Buna 70) - Rear Outside of Nozzle
1x M1.5 x 19.5 (Buna 70) - Thread Relief of Front Cylinder
1x M1.0 x 18.5 (Buna 70) - Captured Between Front Cylinder and Donut
3x M1.0 x 5.0 (Buna 70) - Two on Nozzle Stem & One Inside of Nozzle
1x M1.0 x 2.5 (Buna 70) - Plug screw on bottom
1x M1.0 x 4.5 (Buna 70) - Barb Fitting