GRACO Steel Ball for Actuator Assembly – 3/16 in. - (SKU: 556328) Replace O-rings during routine maintenance

Replace O-rings during routine maintenance or at the first sign of wear

Designed for use with GRACO equipment requiring 3/4-14 BSPT threaded connections

Helps prevent air leaks and protects equipment

including specific meters and extensions (e

GRACO Steel Ball for Actuator Assembly – 3/16 in. - (SKU: 556328) Replace O-rings during routine maintenanceThe GRACO 556328 is a steel ball designed for actuator assemblies. It is made from chrome steel and is intended for use within Pneumatic Electric Lube Sentry Valves, where it plays a critical role in the actuation mechanism. Key Features: Ball 3 16 in. (0. 1875 in. 5 mm diameter) Chrome steel Pneumatic Electric Lube Sentry Valves Precision engineered for reliable actuation Durable chrome steel construction for long service life Consistent performance