Male O-Ring Boss (Orb) Straight Swivel 1/2 Inch Hose X 1/2 Inch Tube X 3/4-16 Thread Best Seller ALUM STEM FOR PRO+ SNSR

ALUM STEM FOR PRO+ SNSR

1/4 Inch Fnpt Brass Closed Straight Lock-On Air Chuck

3/8-16 GR B TORQ PREV LOCK NUT

054x3/4 OAL

DLA 9/64 E RING

Male O-Ring Boss (Orb) Straight Swivel 1/2 Inch Hose X 1/2 Inch Tube X 3/4-16 Thread Best Seller ALUM STEM FOR PRO+ SNSRORB (O Ring Boss) fittings are used in hydraulic systems to create a secure leak proof seal and are especially useful in high pressure applications. They are made up of a male and female part each with specific threading and sealing surfaces. The male part has a groove for an O ring while the female part has a machined surface with a chamfer. When the two parts are mated the O ring compresses into the chamfer to create a tight seal.