Male Swivel 1/2" Tube x 3/8" Thread Push in Pneumatic Fitting 5 Pack #6090 Description Male Swivel 1/2" Tube x 3/8" Thread Push in Pneumatic Fitting Part#: 6090 5 Pack Nickel plated Push to connect fitting Designed for low-pressure circuits, where fast assembly, disassembly, and reassembly are important. No special tools are needed for assembly - just insert the tube inside the fitting until it bottoms. Push in the release collar to disengage the radial-claw stainless steel grab ring. Compact, one-piece brass fittings are for use with polyethylene, nylon, or soft metal tubing. No support ferrules or ID tube supports required. Pressure range up to 300 PSI Vacuum applications depend on temperature and tubing type (description exceeds maximum possible length)