6600 series couplings are interchangeable with Aeroquip FD56, 5600, Series. Body cases are case hardened. 1/4" body is rated @ 5000 PSI, other sized @ 4000 PSI.
- Body Size
- 3/8"
- Thread Size
- 9/16-18 ORB
Sections and Models
- Hydraulic Parts > Couplers
- (Miscellaneous) Quick Couplers: 6600 Series