Mosmatic DYF Swivel – 58.054 – 1/4 ” NPTF x 3/8 ” NPTF

The Mosmatic 58.054 DYF Swivel is a high-pressure female-to-female rotary swivel with a 1/4\\” NPTF inlet and 3/8\\” NPTF outlet, offering a step-up configuration ideal for flexible hose assemblies, spray lances, and cleaning tools.

Designed to handle up to 4000 psi, this swivel features a nickel-plated brass body, stainless steel internal components, sealed ball bearings, and a carbide seal system. Integrated weep holes allow early detection of seal wear, making it a durable, maintenance-free solution for demanding pressure applications.

Applications

• Pressure washer hose transitions

• Industrial cleaning tools

• Surface cleaners and chemical sprayers

• Inline connections with step-up sizing (1/4\\” to 3/8\\”)

Features

• Female-to-Female connection (1/4\\” to 3/8\\”)

• Maintenance-free with sealed bearing system

• Carbide seal and weep hole failure indication

• Nickel-plated brass construction

• Full 360° rotation under pressure

Specs

Product Type: High-pressure swivel – DYF
Part Number: 58.054
Pressure: 4000 psi
Temperature: 250°F
RPM: max. 2,000 rpm
Material Type: Brass, nickel plated
Inner Part: Stainless steel
Seal: Carbide
Throughput / Medium: pH 3–12 / filtered 10 microns / compressed air (290 psi)
Thread In (G1): 1/4\\” NPTF
Thread Out (G2): 3/8\\” NPTF
Nominal Width (NW): 1/4\\”
Wrench Size 1 (SW1): 0.87\\”
Wrench Size 2 (SW2): 0.87\\”
Diameter (D): 2.36\\”
Length (L1): 1.76\\”
Weight: 11.0 oz