GRACO Jam Nut, Special - (SKU: 171858) Designed for easy conversion and

Designed for easy conversion and maintenance of piston assemblies

Use of genuine GRACO replacement parts is recommended to ensure optimal performance and to maintain warranty coverage

but such plates are commonly made from steel or other durable metals

SwitchTip design for quick tip size changes without removing tip guard or housing

Supports bearing assembly for smooth operation

GRACO Jam Nut, Special - (SKU: 171858) Designed for easy conversion andThe 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