Air Brake Bulkhead Union 66NBH

Air Brake Bulkhead Union 66NBH

Part Number 66NBH86
Material Brass
Thread Straight
Thread Size 3/8"
Tube Size 1/2"
Hex B: 1-1/16", C: 1-1/16"
Length 1.94"
Working Pressure 150 PSI
Temperature Range -40°F to 200°F (-40°C to 93°C)
Flow .338"
Weight Lb 0.0820


  • Designed for use in air brake systems or cab controls


  • Utilize ribbed sleeve for compression and positive grip
  • Compatible tubing: SAE J844 type A and B


  • Meets D.O.T FMVSS 571.106 and SAE J246


  • Positive grip


  • Machined from CA260, CA345 or CA377 brass


  • Cut tubing squarely- maximum of 15° angle allowable.
  • Check that port or mating part is clean and free of debris.
  • Insert tubing into fittings until it bottoms on seat.
  • Tighten nut with wrench until one thread remains visible on the fittings body; (this will allow for a number of remakes) or, the nut should be screwed down finger tight, then wrench-tightened according to the tube size used.

Safety notes


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