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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 & MaitenancePrevent failures leaks, and predict necessary replacement with this quide to inspection and maitenance of quick disconnects and couplers.
4HTF4 | 1/2" Female Coupler, 1/2" NPTF Threads
2404-12-08 | 3/4" JIC Male x 1/2" NPTF Male Pipe 2.06" OAL
5405-02-04 | 1/8" NPTF Male x 1/4" NPTF Female
5500-12-12 | 3/4" NPTF Male x 3/4" NPTF Male 90°
2501-05-04 | 5/16" JIC Male x 1/4" NPTF Male Pipe 90°
5502-06-04 | 3/8" Male NPTF x 1/4" Female NPTF 90°
610-12 | O-Ring for 3/4" Code (61/62) Four Bolt Flange (Steel)
6500-08-06 | 1/2" JIC Male x 3/8" JIC Female Swivel 90°
6506-06-06 | 3/8" NPTF Female x 3/8" JIC Female Swivel
6506-08-08 | 1/2" NPTF Female x 1/2" JIC Female Swivel
9007-06-06 | 3/8" BSPP Male x 3/8" NPTF Male
27305-05-05 | 5/16" Flareless x 5/16" Flareless
FS4000-12 | Buna O-Ring for 3/4" ORFS
9037-06-06 | 3/8" NPTF Male x 3/8" BSP Female
AG4F4-PV | 1/2" Male Coupler x 1/2" NPTF Female (Steel) (Poppet Valve)
602-16-16S | 1" Male Coupler x 1" NPTF Female (Steel)
601-06-06S | 3/8" Female Coupler x 3/8" NPTF Female (Steel)
601-08-08S | 1/2" Female Coupler x 1/2" NPTF Female (Steel)
602-06-06S | 3/8" Male Coupler x 3/8" NPTF Female (Steel)
602-08-08S | 1/2" Male Coupler x 1/2" NPTF Female (Steel)
6401-08-08 | #8 SAE/ORB Male x 1/2" NPTF Male
6401-06-06 | #6 SAE/ORB Male x 3/8" NPTF Male
6401-16-16 | #16 SAE/ORB Male x 1" NPTF Male