The O-ring is designed to fit specific parts within Graco pumps

Motor Baldor Pump GP EZ3040S Drive system Belt Drive Pressure PSI 2000 Flow GPM 4

Annovi Reverberi AR SXMV3G40D-F24 horizontal gas engine triplex plunger pump is rated up to 3 GPM at max 4000 PSI at 3400 RPM using a 1/2 ”F inlet and 3/8"F discharge thread

the SIMPSON® pressure washer trailer 3800 PSI @ 3

IWATA 3105 W-77 W77-11SN SST Siphon Feed Spray Gun - Gun Only 70” The O-ring is designed to3105 W 77 W77 11SN GUN ONLY 1. 4 ANEST IWATA s W77 series spray gun have been used by coating professionals for over twenty five years worldwide for industrial manufacturing applications. The W 77 is a well balanced general purpose spray gun with built in air adjusting valve suitable for medium to large sized painting applications within a wide variety of industries. The W 77 is available in pressure feed, siphon feed and gravity feed configurations.