Overview
The Western Enterprises SS-604 is a precision-machined regulator inlet nut engineered for refrigerant gas systems conforming to CGA-660 standards. Constructed from stainless steel with 1.035 in – 14 NGO right-hand female threading, this nut provides corrosion-resistant, secure connections in HVAC service environments. Whether you’re servicing air conditioning systems, refrigeration units, or industrial cooling applications, the SS-604 delivers the reliability required for high-pressure gas service.
Key Features
- Machined to CGA specifications — ensures compatibility with standard refrigerant regulators
- Premium stainless steel construction — resists corrosion and withstands repeated service cycles
- Designed to accommodate a full range of gas service requirements — suitable for multiple refrigerant types
- Easy to install — hand-tight convenience without special tools
- Female thread configuration — compatible with standard regulator inlet ports
Technical Specifications
- Material: Stainless Steel
- CGA Standard: CGA-660
- Thread Size: 1.035 in (26.3 mm)
- Thread Pitch: 14 TPI (threads per inch)
- Thread Type: NGO (National Gas Outlet)
- Thread Direction: Right-Hand (RH)
- Connection Type: Female
- Weight: 0.12 lb (54 g)
- Application: Refrigerant gases
- Country of Origin: China
Typical Applications
Western Enterprises SS604 Regulator Inlet Nuts are designed for CGA-660 refrigerant systems; stainless steel, corrosion-resistant, leak-tight fittings for HVAC service. Common uses include:
- Air conditioning system service and maintenance
- Refrigeration unit repair and replacement
- Industrial cooling system connections
- Regulator inlet connection points
- Professional HVAC technician tool kits
Compatibility & Replacements
Compatible With
- Western Enterprises CGA-660 refrigerant regulators
- Standard refrigerant regulator inlets with 1.035-14 NGO female ports
- Common refrigerant gases including R-22, R-410A, and other CGA-660 certified refrigerants
- HVAC service equipment and tooling
Replaces / Drop-In Replacement For
The Western Enterprises SS-604 directly replaces original SS-604 units and other equivalent CGA-660 stainless steel inlet nuts from Western Enterprises. As a precision-machined component, this nut is a drop-in replacement for worn or damaged units in compatible regulator assemblies.
Works With
- Western Enterprises regulator inlet components
- CGA-660 certified refrigerant gas systems
- Standard HVAC service equipment and manifolds
- Leak detection and repair applications
- Commercial and residential refrigeration systems
