367-5991: 1/2" BSPP Internal Hexagonal Plug

Description: Cat plugs, like part # 367-5991, are plain or threaded disks or cylinders used for sealing holes and ports on engine blocks, oil pans, and housings. Plugs are most generally used as shipping plugs or drain plugs. Attributes: • Steel Plug (Flat Face) • Thread Size: 1/2-14 • Drive: 10 mm (0.39 in) • Length: 19 mm (0.75 in) • Head Diameter: 27 mm (1.06 in) • Fluid transfer system components • Designed to meet or exceed the performance of industry standard parts and provide leak free performance Applications: Plugs are designed to contain or to stop fluid flow and hold pressure when properly assembled. They are often used to permanently seal holes that are required for manufacturing or the assembly of internal components in engine blocks, valve bodies and other fluid system components. Consult your owner’s manual or contact your local Cat Dealer for more information.