Dunham Rubber & Belting Corporation
Dunham Rubber & Belting Corporation
682 Commerce Parkway West Drive, Greenwood, IN 46143
Toll Free: 800.876.5340
Tel: 317.888.3002
Fax: 317.888.2335
Email: mail@dunhamrubber.com
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    The FD90 Series Diagnostic coupling is designed to connect and disconnect pressure gauges to hydraulic systems, eliminating the need for permanent gauges. The maximum operating pressure is 7,000 psi.
  • Automatic sleeve for one hand push-to-connect operation.
  • Flush face valving provides minimal fluid loss and low air inclusion.
  • Self-sealing valve design allows connection and disconnection at 500 psi.
  • Broad range of end configurations for system accessibility.
  • Standard seal material - Buna-N.
  • Standard body material - Zinc plated steel.
FD90 Series SAE J1502 Interchange
Unit of Measure
Items FD90 SERIES PIC 1
FD90-1034-02-04
FD90 Series/ SAE J1502 Interchange 		FD90 SERIES PIC 1
FD90-1035-02-04
FD90 Series/ SAE J1502 Interchange 		FD90 SERIES PIC 1
FD90-1034-04-04
FD90 Series/ SAE J1502 Interchange 		FD90 SERIES PIC 1
FD90-1035-04-04
FD90 Series/ SAE J1502 Interchange 		FD90 SERIES PIC 2
FD90-1044-03-04
FD90 Series/ SAE J1502 Interchange
Coupling Size N/A -04
Thread Size (P) N/A 1/8-27 N/A 1/8-27 N/A 1/4-18 N/A 1/4-18 N/A 3/8-24
A N/A 1.70 N/A 1.70 N/A 1.90 N/A 1.90 N/A 1.52
B N/A
Dim.- Hex(1) N/A .62 inches N/A .62 inches N/A .75 inches N/A .75 inches N/A .62 inches
Seal Material N/A BUNA-N N/A BUNA-N W/DUST CAP N/A BUNA-N N/A BUNA-N W/DUST CAP N/A BUNA-N
Type N/A MALE HALF FEMALE PIPE/VALVED N/A MALE HALF FEMALE PIPE/VALVED N/A MALE HALF FEMALE PIPE/VALVED N/A MALE HALF FEMALE PIPE/VALVED N/A MALE HALF MALE SAE O-RING/VALVED