Industrial Grade 1MNG4 Hex Head Plug, 4 In, Threaded, Black Steel
Hex Head Plug, Pipe Size 4 In, Connection Threaded, Material of Construction Forged Black Steel, WOG (PSI) 3000 PSI At 72 Deg F, Standards Dimension Specification ASME B16.11-1996, Material Specification ASTM A105
