Manufacturer Name: Warrick-Gems Sensors & Controls Product Number: 3B3B OEM Part Number: 3B3B Product Description: 5/8" 24Unef 316Ss Fitting Weight:0.14lbs/63.5g The Warrick-Gems Sensors & Controls 3B3B is a compact, two-piece fitting made of corrosion-resistant 316 stainless steel (SS). It's designed for use in HVAC (Heating, Ventilation, and Air Conditioning) systems to secur... https://www.partshnc.com/3b3b-warrick-gems-sensors-controls-58-24unef-316ss-fitting