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COUPLER SIZE CHART Profiles of male nipples help you to identify four popular styles of hydraulic quick disconnect couplers in nominal sizes ranging from 1/4" to 1". Nominal sizes represent intended hose or tube sizes, not the actual diameter of the coupler. For actual dimensions, print this page actual size and compare the profile drawings to your existing equipment.
Quick Disconnect Inspection & MaintenancePrevent failures leaks, and predict necessary replacement with this guide to inspection and maintenance of quick disconnects and couplers.
HT6OF6 | 3/4" Male Nipple, #12 SAE/ORB Threads
3HTF4 | 3/8" Female Coupler, 1/2" NPTF Threads
HT3F4 | 3/8" Male Nipple, 1/2" NPTF Threads
6HTOF6 | 3/4" Female Coupler, #12 SAE/ORB Threads
4HTOF6 | 1/2" Female Coupler, #12 SAE/ORB Threads
HT5OF6 | 5/8" Male Nipple, #12 SAE/ORB Threads
AG4F4 | 1/2" Male Coupler x 1/2" NPTF Female (Steel)
HT3OF4 | 3/8" Male Nipple, #8 SAE/ORB Threads
3HTOF4 | 3/8" Female Coupler, #8 SAE/ORB Threads
HT4OF5 | 1/2" Male Nipple, #10 SAE/ORB Threads
FS6801-06-06 | 3/8" ORFS Male x #6 SAE/ORB Male 90°
FFX90-04-04 | 1/4" Hose x 1/4" ORFS Female Swivel 90°
MP-08-08-43 | 1/2" Hose x 1/2" NPTF Male Pipe (43 Series)
MP-08-12-43 | 1/2" Hose x 3/4" Male Pipe NPTF Rigid (43 Series)
FBSPX-08-08-43 | 1/2" Hose x 1/2" Female British Pipe Swivel (43 Series)
6400-10-08 | 5/8" JIC Male x #8 SAE/ORB Male
MJ-08-10-43 | 1/2" Hose x 5/8" Male JIC 37° Rigid (43 Series)
FJX-12-12-43 | 3/4" Hose x 3/4" Female JIC 37° Swivel (43 Series)
HT4F4 | 1/2" Male Nipple, 1/2" NPTF Threads
4HTOF5 | 1/2" Female Coupler, #10 SAE/ORB Threads