GRACO Buna-N O-Ring Packing for Pumps - (SKU: 156641)The GRACO 156641 is a Buna N (Nitrile) O Ring packing designed for use in GRACO pumps and spray equipment. It serves as a sealing component to prevent leaks and maintain pressure integrity within the equipment. Key Features: O Ring, Packing Buna N (Nitrile) rubber Designed for GRACO pumps and spray equipment Reliable sealing performance Durable Buna N material for chemical and oil resistance Standard O Ring design for easy replacement Applications:

ensuring safe and clean operation

Reliable fastening for covers and panels

Align cover properly with the valve chamber before securing

1/8 NPT(F) #6 JIC(M)

Replace if damaged or showing signs of degradation

particularly where low pressure and consistent flow are required

Designed for GRACO material conveyor and feeder systems

Ideal for industrial finishing systems

Ensure the pump is properly leveled and securely mounted

Used in spray equipment applications where wind interference may affect spray pattern and efficiency

The GRACO 16M781 PLATE

3250 psi (224 bar)