Product Description
The Mosmatic 54.663 Swivel is a professional-grade 360° rotary union engineered for high-pressure systems up to 5000 psi. With a 3/8" NPTF female inlet and a G3/8" male outlet, this model is ideal for setups requiring compatibility between NPT and BSPP (G-thread) components.
This swivel is widely used in pressure washer lances, reels, and rotating arms, where its sealed bearing system, nickel-plated brass housing, and stainless steel internal parts ensure smooth, long-lasting rotation—even under continuous use in harsh environments.
Applications
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Pressure washer guns and reels
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Car wash systems and bays
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Hose booms and rotating connections
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Surface cleaners and spray wands
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Industrial fluid systems with mixed-thread connections
Features
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Full 360° rotation
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Rated up to 5000 psi
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3/8" NPTF (F) inlet x G3/8" (M) outlet
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Lightweight and compact (2.56 oz)
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Nickel-plated brass body with stainless steel internals
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Reduces hose wear and prevents kinks
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Maintenance-free, sealed bearing design
Specs
- Part Number: 54.663
- Max Pressure: 5000 psi
- G1 (Female Inlet): 3/8" NPTF
- G2 (Male Outlet): G3/8" M
- Nominal Width (NW): 3/8"
- Spanner Size (SW1): 0.63
- Length L1: 2.87"
- Total Length (L2): 4.29"
- Rotating Section (L3): 0.47"
- Diameter D1: 2.17"
- Diameter D2: 0.79
- Weight: 2.56 oz
- Body Material: Nickel-plated brass
- Internal Material: Stainless steel
- Seal Type: O-ring (NBR or Viton depending on application)
- Temperature: Up to 250°F
