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308.708.8185 | [email protected] | Rev. 08/21
HYDRAULIC FITTING IDENTIFICATION
Hydraulic fitting styles, types and sizes are numerous and at times easily confused. The chart below
shows the most common types and sizes of hydraulic fittings for the industry, male ends depicted.
This chart is printed at 1 to 1 for ease of identification.
NPTF
(National Pipe Taper Fuel) uses tapered threads to create a seal.
ORB
(O-Ring Boss) uses an O-ring to seal after threads.
JIC
(Joint Industry Council) 37-degree flare sealing surface before threads.
ORFS
(O-Ring Face Seal) uses an O-ring to seal before threads.
-4 NPTF
-6 NPTF
-8 NPTF
-12 NPTF
-4 ORB
-6 ORB
-8 ORB
-12 ORB
-10 ORB
-4 JIC
-6 JIC
-8 JIC
-12 JIC
-10 JIC
-4 ORFS
-6 ORFS
-8 ORFS
-12 ORFS
-10 ORFS
N/A
MAINTENANCE & LUBE