Dixon Three-Piece Hammer Union Nut

Dixon Three-Piece Hammer Union Nut

  • 3 piece split nut unassembled
Part Number HU200400RN3
Style Figure 200/206
Material Forged Steel
Color Blue
Size 4"
Working Pressure 2000 PSI CWP
Weight Lb 8.7200


  • Replacement for damaged hammer union nuts
  • Used with male one-piece flange adapters
  • Can use tools/wrench made for loosening and tightening nut


  • Dixon recommends using Loctite® Threadlocker Red 271™ when bolting together two-piece hammer union nuts to ensure that bolts do not loosen when in service. Bolt torque recommendation is 60 foot pounds. Option two is to weld the seams of the split nut.


  • Forged steel meets AISI standards


  • Repair nut is pinned and bolted for perfect alignment
  • Nut can be installed on pre-existing hammer union assembly


  • Includes bolts

Available Options

  • Nut is available in other hammer union series and sizes, consult Dixon for more information.

Safety notes


Stock Availability