GRACO Screw Cap, Hex HD - (SKU: 103776) The GRACO DB4777 is a

The GRACO DB4777 is a Husky 1590 air-operated double diaphragm pump with a 1-1/2" NPT standard port size

Compatible with grease (maximum NLGI Grade #2)

particularly where pipe size reduction is required within GRACO equipment

Consult equipment manual or GRACO specialist for detailed installation instructions

GRACO Screw Cap, Hex HD - (SKU: 103776) The GRACO DB4777 is aThe GRACO 103776 is a hex head screw cap designed for use in industrial coating, painting technology, and other professional applications. Its material is not specified, but it is intended as a general spare part for GRACO equipment, providing secure fastening and easy access for maintenance. Key Features: Screw Cap, Hex HD Compatible with various GRACO industrial equipment, including Crown Imperial Pumps (as referenced in GRACO manuals) Hex head for