GRACO Packing O-Ring - (SKU: 128838) GUN is a flexible gun

GUN is a flexible gun accessory kit designed for use with GRACO spray equipment

The GRACO D05377 KIT is a complete fluid repair kit designed for GRACO 515 and 715 series air-operated diaphragm pumps

stainless steel air valve

Easy-to-service air valve and ball checks (referring to Husky 1590 pump design)

GRACO Packing O-Ring - (SKU: 128838) GUN is a flexible gunThe GRACO 128838 is an O ring packing designed for use in GRACO equipment, primarily serving as a sealing component to prevent leaks and maintain pressure integrity. The material is not specified in available sources, but O ring packings are typically made from elastomers such as nitrile rubber or polyurethane. Its intended function is to ensure reliable sealing within GRACO spray equipment assemblies. Key Features: O ring packing Designed for GRACO