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Tamper-resistant socket head design
Carbon steel or similar alloy (inferred from typical GRACO hydraulic motor housings)
Designed for use with GRACO mortar pump assemblies (specific models not detailed)
but it is intended for reliable electrical connectivity and signal transmission between control and fluid delivery systems
Durable construction (inferred from brand standards)
GRACO Seat, Piston, SST - (SKU: 189439) Tamper-resistant socket head designThe GRACO 189439 Seat, Piston, SST is a stainless steel piston seat component designed for use in GRACO displacement pumps. It serves as a critical sealing and guiding element within the pump assembly, ensuring reliable operation and fluid containment. Key Features: Piston Seat Stainless Steel (SST) GRACO displacement pumps (specific models not listed in available data) Durable stainless steel construction for longevity Critical sealing function
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