GRACO Jam Nut - (SKU: 16U977)The GRACO 16U977 is a jam nut, typically made from metal, designed to secure and lock components in place within GRACO pump assemblies. Its primary function is to prevent loosening of threaded connections under vibration or pressure, ensuring reliable operation of GRACO equipment. Key Features: Jam Nut 16U977 Compatible with select GRACO pump assemblies (e. g., 680cc Pump Lower) Secures threaded connections Prevents loosening under vibration or

Protects swivel joints from dirt

low pulsation air valve (for air-operated models

2 mm) in size[1][4][5]

high-pressure delivery is required

The GRACO 15G879 is a side label designed for the GH833 gas hydraulic sprayer

and environmental exposure in industrial and maintenance settings

Low maintenance and reliable operation

The GRACO 119783 is a swivel tee fitting designed for use in GRACO spray equipment

Used in industrial lubrication and fluid dispensing systems for transferring fluids such as oils

Follow all safety procedures and use appropriate tools

Essential for equipment integrity and safety

Used in GRACO equipment requiring a female rod gland for sealing purposes