Check the listing for details. Hammer Union 4" Fig 1002 Threaded Standard Service. Condition: New. Listed at 199.00 USD. Hammer Union 4" Fig 1002 Threaded Standard Service Cold Working Pressure (CWP) 10,000 psiTest Pressure 15,000 psiWeight 34.91 lbsNut Radius 5.20 inchesTotal Length 8.20 inchesForged Carbon Steel ConstructionFully Interchangeable with Most Major Brands of Hammer UnionsRed Nut, Blue SubsReplaceable, Lip Type Rubber Seal provides Primary SealingThe Fig 1002 Hammer Unions are used in high pressure applications for choke and kill lines, cementing and acidizing. They are manufactured from quality steel meeting ASTM and/or AISI standards. All Hammer Unions have a three winged lug nut and self-locking Acme threads for faster make-up and break-out using only a hammer.Buy this Hammer Union to ensure long and dependable service, even in the most extreme conditions!