Mosmatic Swivel – 58.054 – 1/4" NPTF x 3/8" NPTF – DYF – 4000 psi – 11.0 oz

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 – DYFPart Number: 58.054Pressure: 4000 psiTemperature: 250°FRPM: max. 2,000 rpmMaterial Type: Brass, nickel platedInner Part: Stainless steelSeal: CarbideThroughput / Medium: pH 3–12 / filtered 10 microns / compressed air (290 psi)Thread In (G1): 1/4" NPTFThread Out (G2): 3/8" NPTFNominal 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