GRACO 150287 – Adapter Coupling, 1/4″ NPT(M) x 3/8″ NPT(F)

GRACO 150287 – 3/8″ NPT(F) to 1/4″ NPT(M) Adapter Coupling, 1/4 NPT(M) to 3/8 NPT(F)

GRACO pipe adapter fitting that converts between different NPT thread sizes, enabling connection of 3/8 NPT female threaded components to 1/4 NPT male threaded equipment. Essential for creating secure, leak-proof connections in spray finishing and fluid handling systems.

Specifications

Thread: 1/4 NPT male to 3/8 NPT female

Features

Converts 1/4 NPT male thread to 3/8 NPT female thread

Pipe adapter fitting for threading compatibility

Enables connection between different thread sizes

Part of GRACO’s finishing accessories line

Applications

Spray finishing systems

Paint equipment connections

Fluid handling systems

Equipment adaptation and retrofitting

Compatible Equipment

222073 – Fire-Ball 300 Series 50:1 120 lb. Grease Pump Stationary Supply Topper-Inductor Package, Topper Unit

Wishbone Support Assembly 204461

Related Parts

150171 – Adapter Pipe hex

159840 – Adapter, 1/4NPT Fem X 1/8NPT

156580 – Adapter, 1/8 NPT(M) to 3/8 NPT(F), 3/8″ OD

159842 – 1/2″ NPT(F) to 1/4″ NPT(M) Adapter Coupling, 1/4 NPT(M) to 1/2 NPT(F)

150286 – Pipe Adapter Fitting, 3/8 NPT(M) to 3/8 NPT(F)

156022 – Pipe Adapter Fitting, 3/8 NPT(M) to 1/2 NPT(F)

168595 – Pipe Adapter Fitting, 1/2 NPT(M) to 3/4 NPT(F)

161028 – Rod, Vent Jack Screw

161107 – Sleeve Locking Nut

169971 – Air Line Fitting, 3/8 NPT(M)

Listed under Pipe Adapters category in the Hoses, Fittings, Swivels and Gauges section of GRACO finishing accessories Listed as part of Model 222073 Topper Unit assembly.

Reference Manuals

345020 (Page 76) Finishing Accessories

306523 (Page 7) 50:1 Fire-Ball, 120-LB Drum Size Topper Units

306556 (Page 23) Topper Units

308795 (Page 2) 239935 RoadLazer 55-Gallon Agitator Kit

308796 (Page 2) 239934 RoadLazer Husky 515 Transfer Kit