1/4 in. x 3/8 in. Brass Male Flare x Female Flare Adapter
1/4 in. x 3/8 in. Brass Male Flare x Female Flare Adapter
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The 1/4 in. x 3/8 in. Brass Male Flare x Female Flare Adapter is a brass SAE 45° flare straight adapter that transitions between thread sizes or connects tubing to a male or female NPT pipe thread. Dezincification-resistant brass body ensures long service life in water, oil, gas, and compressed air systems.
Technical Specifications
| Specification | Value |
|---|---|
| Body Material | Brass (dezincification-resistant) |
| Connection Type | SAE 45° flare |
| Shape | Adapter |
| End Connections | See product title for sizes |
| Pressure Rating | 800 WOG |
| Temperature Range | −20°F to 250°F (nylon/poly) / −20°F to 366°F (brass/SS) |
Key Features
- Dezincification-resistant brass — resists corrosion in water, gas, and oil service
- Precision machined for repeatable, leak-free connections
- SAE 45° flare — metal-to-metal seal requires no sealant or thread tape
- Resists vibration, thermal cycling, and high-pressure pulsation
- Meets SAE J513; compatible with copper and aluminum refrigerant tubing
Common Applications
Used in refrigeration line sets, HVAC equipment connections, natural gas and propane appliance connectors, and high-vibration applications where compression fittings may loosen. The metal-to-metal flare seat is the most vibration-resistant tube connection available.
Technical Resources
- SAE 45° vs. Inverted Flare — Identification Guide — Critical identification guide
- NPT vs. BSPP vs. JIC Thread Guide — Thread ID reference
- Brass Fitting Types and Sizes Guide — All fitting styles explained
Cross-References
This part is an equivalent for industry part numbers 04061-0604, 098197988409, 1015091, 2276X4, 3564, 35-64, 446-46, 446-64, 447-4X6, 46RF-46, 601-64, 661-FA-06x04, 661FHD-4-6, 661FHD-6-4, A 00479, D4764, D47-6-4, FF661HD-6-4, FMRA-64, P-FMRA-64, UR3-46, UR3-64, UR3EC. Searching one of those? This is your match.