Brass Inverted Flare Nut — SAE 45°, for Air & Fluid Lines
All-brass SAE 45° inverted flare nut for making leak-tight connections on air, fuel, brake, and low-pressure fluid lines. Machined from solid brass for corrosion resistance and dependable sealing, these nuts pair with standard inverted flare seats and are a staple repair and assembly part for compressed-air plumbing and automotive service work.
Key specifications
- Type: SAE 45° inverted flare nut
- Material: solid brass, corrosion resistant
- Standard: manufactured to SAE J512 inverted flare dimensions
- For use with flareable copper, brass, aluminum, and soft steel tubing
- Available in tube sizes 1/8", 3/16", 1/4", 5/16", 3/8", and 1/2"
Tube size & thread (SAE 45° inverted flare)
- 1/8" tube — 5/16"-24 UNF
- 3/16" tube — 3/8"-24 UNF
- 1/4" tube — 7/16"-24 UNF
- 5/16" tube — 1/2"-20 UNF
- 3/8" tube — 5/8"-18 UNF
- 1/2" tube — 3/4"-18 UNF
Typical applications
Compressed-air line connections, fuel and transmission cooler lines, hydraulic brake lines, and general low-pressure fluid plumbing where a reusable, vibration-tolerant flared joint is needed.
Choose your tube size from the drop-down. These brass SAE 45° inverted flare nuts deliver a reliable, reusable seal for air compressor plumbing and automotive fluid lines alike.
NOTE: Actual product may be different from pictured!
Financing Options
Financing Options
We offer Financing Through Many Different Avenues:
- Affirm is great for smaller purchases. You can do this during checkout.
- Clicklease is a great option for Instant decisions up to 25k. NO Hard credit pull. No Time in Business Required. More information can be found out about it here: https://www.clicklease.com/partner/warthog-air-compressor-store
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