4S Fittings
For use with hoses: 
EC600-12,-16;
EC525-12,-16,-20,-24,-32; 
EC801-12,-16

6S Fittings
For use with hoses: 
EC600-20;
EC810-20,-24,-32

When assembled with all Eaton components, all SAE 37° JIC male and female terminal ends in the 4S & 6S product line are rated at the pressures listed and have passed one million impulse cycles at 133% of this pressure. All straight configurations achieve a 4:1 burst. The 45° and 90° elbow configurations in the -12 size meet a 3.2:1 burst;more
Unit of Measure

Terminal End

-20

Hose Size

-20

Thread

1 5/8-12 in

Dim.- A

4.00 in

Dim.- D

1.82 inches

Dim.- EØ

0.99 in

Dim.- Hex(1)

1 3/16 inches

Dim.- Hex(2)

2 inches