GRACO Jam Nut, Special - (SKU: 171858)The GRACO 171858 is a special jam nut designed for use in GRACO equipment. Its material is not specified in available documentation, but typical GRACO jam nuts are made from durable metals such as steel or stainless steel. This part is intended to secure and lock components such as valve stems or housings in place, preventing loosening during operation. Key Features: Jam Nut, Special Designed for use with GRACO equipment; specific models not listed

Used on GRACO Viscon HP high-pressure fluid heaters to ensure operator safety and regulatory compliance in industrial settings

Verify connector compatibility before installation

Inspect welds and connections for integrity before use

but similar GRACO wheels are typically constructed from durable materials such as nylon

0004 is a 1-inch sanitary air-operated double diaphragm (AODD) pump designed for hygienic transfer applications

but it is intended for use as a handlebar assembly to ensure operator comfort and equipment stability during operation

60:1 floor mount

Used in GRACO pump assemblies to prevent fluid leakage and maintain pressure integrity

Follow GRACO’s recommended installation procedures for spray guns and related components

Used in industrial fluid handling and lubrication systems where precise displacement and sealing are required

Ensures safe operation by preventing accidental access

leak-free connection that allows for movement or rotation between connected lines