Mosmatic Swivel – 40.031 – 3/8" NPTF x 1/4" NPTM – WDG – 2200 psi – Stainless Steel – 9.6 oz

The Mosmatic 40.031 is a high-pressure swivel with a 3/8" NPTF female inlet and a 1/4" NPTM male outlet, designed to adapt connections between hoses and nozzles of different sizes. Rated for up to 2200 psi, this swivel provides 360° rotation, reduces hose wear, and increases flexibility and safety in pressurized cleaning systems.

Constructed with a nickel-plated brass body, stainless steel inner components, and a sliding bearing system, it delivers consistent, maintenance-free operation in demanding environments.

Applications

• Pressure washers and hose reels

• Surface cleaners and spray guns

• Compact and mobile washdown systems

• Equipment with mixed NPT thread sizes

• Industrial and commercial cleaning applications

Features

• Threading: 3/8" NPTF (F) x 1/4" NPTM (M)

• Pressure rating: up to 2200 psi

• Temperature rating: 200°F (93°C)

• Maintenance-free sliding bearing

• O-ring NBR seal (EPDM/FKM optional)

• Full 360° swivel action

• Compact and lightweight

Product Type: Inline Swivel – WDG Series
Part Number: 40.031
Pressure: 2200 psi (15 MPa)
Temperature: 200°F (93°C)
RPM: max. 30 rpm
Body: Brass, nickel plated
Inner Part: Stainless steel
Seal: O-ring NBR + support ring (optional EPDM or FKM)
Bearing: Sliding bearing
Medium Compatibility: pH 3–12 / filtered 10 microns / compressed air (290 psi)

Dimensions

• G1 (F): 3/8" NPTF

• G2 (M): 1/4" NPTM

• Nominal Width (NW): 1/4"

• H: 1.02"

• L1: 1.77"

• L2: 1.89"

• L3: 1.14"

• L4: 1.14"

• L5: 0.47"

• L6: 0.24"

• SW: 0.87"

• Weight: 9.6 oz