Typical hose end to fitting connection:
Typical o-ring sealed port connection:
Hose End
Connect hose end to 37-degree flare side of union.
Do not connect hose end to cutoff side of union!
O-ring sealed AN style port
O-ring
(Install on union fitting between back of
threads and face of hex nut.)
Typically the cutoff side of the union is used as
the o-ring sealed side, leaving the 37-degree
flare side for your hose end connection. In some
cases both sides of the union utilize an o-ring
seal.
