While the exact material for this specific part number is not fully detailed in available sources
stainless steel barb and fittings
particularly in GRACO Husky 3300 series air-operated double diaphragm (AODD) pumps for reliable fluid transfer in demanding environments
ensuring efficient fluid transfer and control in commercial and industrial settings
such as those for road and pavement marking
GRACO Husky 3300 (3 in. NPT) SS Pump, AL Center Section, BN Seats, BN Balls & BN Diaphragm - (SKU: 652848) While the exact material forThe GRACO Husky 3300 is a 3 inch NPT stainless steel air operated double diaphragm pump with an aluminum center section, Buna N seats, balls, and diaphragm. It is designed for fluid transfer applications, including high viscosity materials. Key Features: Air operated double diaphragm pump 3 in. NPT Stainless Steel body with Aluminum center section Up to 300 gpm (1,135 lpm) Maximum working pressure of 125 psi (0. 86 MPa, 8. 6 bar) for aluminum center