Brass SAE 45° Flare Finger-Tightening Cap
Seal off the end of any SAE 45° flare fitting quickly and securely with this solid-brass finger-tightening cap. The knurled body lets you thread it on and snug it down by hand—no wrench required—making it ideal for capping unused ports, protecting flared tube ends during shipping and service, and pressure-testing lines.
Machined from corrosion-resistant brass, each cap seats against a female SAE 45° flare seat for a reliable, reusable seal on air, gas, refrigeration, and hydraulic systems.
- Type: Finger-tightening cap, female SAE 45° flare
- Material: Brass
- Sizes: 1/4" and 3/8" flare
- Sealing: 45° flare seat, reusable
- Installation: Hand-tight, no tools required
- Standards: Meets applicable ASA, ASME, SAE and MS specifications
Typical applications: LP and natural gas lines, refrigeration and HVAC, compressed-air and pneumatic systems, instrumentation, and hydraulic assemblies where a flared line end needs a quick, leak-tight cap.
Brass SAE 45° flare finger-tightening caps are a shop essential for capping off flare fittings and protecting tube ends—choose 1/4" or 3/8" to match your line size.
NOTE: Actual product may be different from pictured!
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