GRACO Spring Retaining Plug - (SKU: 167431) The GRACO 15B312 is a

The GRACO 15B312 is a replacement diaphragm made from BUNA-N (nitrile rubber)

o-ring) as a set for best results

Not for use with flammable liquids unless specifically rated

1/2" BSPP inlet

5 x 15 inches)

GRACO Spring Retaining Plug - (SKU: 167431) The GRACO 15B312 is aThe GRACO 167431 is a spring retaining plug, typically made from durable metal or engineered plastic, designed to secure and retain springs within GRACO hydraulic or fluid handling equipment. Its primary function is to maintain proper spring positioning and ensure reliable operation of the assembly. Key Features: Spring Retaining Plug Compatible with select GRACO hydraulic motors and fluid handling assemblies (see equipment manual for specific models)