Special Access Coupler, 4000 psi maximum operating pressure
For pull-on, push-on or hook-on service
Use with large 5/8" diameter buttonhead fittings
7/16"-27 (f) thread
Easy installation
Operating Pressure=4000.0 psi [Max], Thread - TPI or Pitch=7/16 in - 27(F), Type=Coupler, Used With=5/8 in Dia. Button Head Fitting for use with 5/8 in. diameter button head fittings for pull-on, push-on, or hook-on service.