The 1880-10 5/8" x 1/2" Male Push-Fit 45° Elbow Air Brake (35-1880-10) is a fitting used in air brake systems. Here are some key details:

• Type: 45° Elbow, Swivel
• Size: 5/8" Tube x 1/2" Male NPT
• Material: Brass (CA360)
• Application: Air brake systems
• Standards: D.O.T. compliant, meets SAE J1131 and J2494-3 standards

Features:

• Quick connect: simply puch tubing in, no tools required
• Full flow design: provides up to 60% more flow area than conventional fittings
• Pre-applied sealant on all male pipe threads
• Temperature range: 40°F to 200°F  
• Maximum pressure: 250 PSI