GRACO Packing U-Cup, 1.375 ID x 1.687 OD - (SKU: 17U129) Use appropriate tools and torque

Use appropriate tools and torque specifications as per GRACO guidelines

BN/BN/BN/4A is an industrial-grade air-operated double diaphragm pump designed for reliable fluid transfer

OEM replacement for optimal sealing

The part serves as the lower housing component

Designed for GRACO equipment (specific models not listed)

GRACO Packing U-Cup, 1.375 ID x 1.687 OD - (SKU: 17U129) Use appropriate tools and torqueThe GRACO 17U129 is a U cup packing seal designed for use in GRACO spray equipment. It is typically made from durable elastomeric material (exact material not specified in available sources) and is intended to provide a reliable seal for pistons or shafts within GRACO pumps and air motors, preventing fluid leakage and ensuring efficient operation. Key Features: Packing, U Cup 1. 375 ID x 1. 687 OD Designed for use in GRACO spray equipment, including