Mosmatic DKS Swivel - 70.053 - G1 M21X1.5F to G2 3/8"NPTM

The Mosmatic DKS Swivel Coupling 70.053 is a precision-engineered, high-pressure swivel designed for demanding industrial and commercial cleaning applications. Constructed from corrosion-resistant, nickel-plated brass, this swivel ensures reliability and long service life under continuous use.

Equipped with a single thrust ball bearing and a robust ceramic seal system, it delivers smooth rotation and excellent leak protection. A flange simplifies installation, while integrated weep holes provide a seal failure warning for proactive maintenance. This model features a Quick Connect Thread In of M21x1.5 F and a Thread Out of 3/8” NPTM, making it compatible with a wide range of hose systems and equipment.

Rated for up to 3600 PSI and capable of withstanding temperatures up to 250°F, it’s built for tough environments and supports media in the pH 3–12 range with 10-micron filtered compressed air up to 290 PSI.

Applications

• High-pressure hose and cleaning systems

• Industrial and commercial washdown equipment

• Pneumatic tool connections

• Surface cleaners and rotary arms

• Quick-connect fittings in pressure washing setups

• Car wash installations

Features

• High-quality nickel-plated brass construction

• Smooth rotation with single thrust ball bearing

• Long-life ceramic seal system

• Flanged design for easy and secure installation

• Seal failure warning via built-in weep holes

• Thread In: M21x1.5 F” | Thread Out: 3/8” NPTM

• Nominal Width (NW): ¼”

• Max Pressure: 3600 PSI

• Max Temperature: 250°F

• Max RPM: 30

• Dimensions: 1.34” diameter | 1.80” overall length

• Compatible with pH 3–12 media and 10-micron filtered air (290 PSI)

Pressure: 3600 psi

Temperature: 250°

RPM: max 30 rpm

Material Type: Brass, nickel plated

Inner Part: Stainless steel

Seal: O-ring NBR

Throughput/medium: ph 3-12, filtered 10 microns compressed air (290 psi)

Thread In: G1 M21X1.5F

Thread Out: G2 3/8"NPTM

Nominal Width (NW): ¼”

Wrench Size 1 (SW1): 0.75"

Diameter (D) (overall diameter): 1.34"

Length 1 (L1) (overall length) : 1.80

Length 2 (L2): 0.47

Weight: 3.6 oz