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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.
6401-16-12 | #16 SAE/ORB Male x 3/4" NPTF Male
602-08-08S | 1/2" Male Coupler x 1/2" NPTF Female (Steel)
6401-10-08 | #10 SAE/ORB Male x 1/2" NPTF Male
601-16-16S | 1" Female 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)
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
602-12-12S | 3/4" Male Coupler x 3/4" NPTF Female (Steel)
601-12-12S | 3/4" Female Coupler x 3/4" NPTF Female (Steel)
6806-12-12 | #12 SAE/ORB Male x 3/4" NPTF Male 90°
6401-12-12 | #12 SAE/ORB Male x 3/4" NPTF Male
2404-06-06 | 3/8" JIC Male x 3/8" NPTF Male Pipe 1.43" OAL
2404-08-08 | 1/2" JIC Male x 1/2" NPTF Male Pipe 1.79" OAL
2404-10-08 | 5/8" JIC Male x 1/2" NPTF Male Pipe 1.89" OAL
FS2404-12-12 | 3/4" ORFS Male x 3/4" NPTF Male
FS2404-12-16 | 3/4" ORFS Male x 1" NPTF Male
R2-16 | 1" SAE 100R2AT Hydraulic Hose (by the foot)
R4-20 | 1-1/4" SAE 100R4 Suction Hose (by the foot)
MP-12-12 | 3/4" Hose x 3/4" NPTF Male Pipe
MPX-12-12 | 3/4" Hose x 3/4" NPTF Male Pipe Swivel