GRACO Nut, Machine Hex - (SKU: 105689)The GRACO 105689 is a machine hex nut, typically made from metal, designed for use as a fastening component within GRACO industrial equipment such as paint sprayer pumps and warm melt supply systems. Its primary function is to secure parts together in GRACO machinery. Key Features: Nut, Machine Hex M4 (as referenced in GRACO manuals) Compatible with GRACO industrial equipment, including paint sprayer pumps and warm melt supply systems Standard hex

ensuring leak-free operation and extended service life in demanding industrial environments

Used in GRACO spray equipment for fluid transfer and pressure applications in industrial

Long service life in harsh environments

Flexible design for series progressive systems

Loctite #242 blue or equivalent)[2][5]

Ensures reliable pump operation and leak prevention

The GRACO Husky 1050 is a heavy-duty

Ensure proper alignment and secure connection using the 1/8-inch NPT thread

Use appropriate air supply within the specified pressure range (20–100 psi)

Compatible with various GRACO industrial equipment

which are standard components for ensuring proper check valve operation within the pump

The GRACO 01/0681/99N is a spool component designed for use in GRACO twin mixer equipment