GRACO Packing Nut - (SKU: SP434006) The GRACO 21861-00 is a

The GRACO 21861-00 is a connector component designed for use within GRACO equipment

maintaining operational reliability and safety

Compatible with GRACO equipment requiring 3/8" NPT male threaded connections

Aluminum or Stainless Steel fluid section (specific to model variant)

Facilitates system flexibility and modularity

GRACO Packing Nut - (SKU: SP434006) The GRACO 21861-00 is aThe GRACO SP434006 is a packing nut, typically constructed from durable metal, designed to secure and seal packing material within GRACO spray equipment. Its primary function is to maintain pressure integrity and prevent leaks around the piston rod or other moving parts in fluid handling systems. Key Features: Packing Nut Designed for use with various GRACO spray equipment models (specific models not listed) Secures and seals packing material