The Parker CPI / A-LOK Tube End to O-Ring Straight Thread (T2HOA5 / M2TU) is an adapter with a tube stub end and an O-ring seal straight male thread. It comes in 9 size combinations with tube outer diameters from 1/8" to 1".
| Type | Tube end to O-ring straight thread: tube stub end and O-ring seal straight male thread |
| Part Numbers | CPI 2-2 T2HOA5, A-LOK 2M2TU2 ~ CPI 16-16 T2HOA5, A-LOK 16M2TU16 |
| Size Numbers | Tube size numbers in the part number are in sixteenths of an inch (for example 1/2" tube = 8) |
| Material | 316 stainless steel (heat code traceable) is standard / Other materials: steel, brass, aluminum, nickel-copper, Hastelloy C, Alloy 600, titanium, 6Mo, Incoloy 625 and 825 |
| Material Codes | Material code added to the end of the part number after a hyphen: B brass / SS or 316 = 316 stainless steel / S steel / A aluminum / M Alloy 400 / HC Hastelloy C-276 / IN Alloy 600 / SS20 Carpenter 20 / 6MO 6Mo / 625 / 825 / T titanium |
| Tube Stub End Assembly | Add -Z6 to the part number to have the nut and ferrules assembled on the tube stub end |
| O-Rings | NBR O-rings are supplied as standard; for fluorocarbon O-rings add the suffix -VO to the part number (other O-rings available upon request) |
| Sizes (inches): tube O.D., thread size, O-ring size by CPI Part Number (A-LOK Part Number) | 2-2 T2HOA5 (2M2TU2): tube 1/8", thread size 5/16-24, O-ring size 2-011 / 3-3 T2HOA5 (3M2TU3): tube 3/16", thread size 3/8-24, O-ring size 2-012 / 4-4 T2HOA5 (4M2TU4): tube 1/4", thread size 7/16-20, O-ring size 2-111 / 5-5 T2HOA5 (5M2TU5): tube 5/16", thread size 1/2-20, O-ring size 2-112 / 6-6 T2HOA5 (6M2TU6): tube 3/8", thread size 9/16-18, O-ring size 2-113 / 8-8 T2HOA5 (8M2TU8): tube 1/2", thread size 3/4-16, O-ring size 2-116 / 10-10 T2HOA5 (10M2TU10): tube 5/8", thread size 7/8-14, O-ring size 2-212 / 12-12 T2HOA5 (12M2TU12): tube 3/4", thread size 1-1/16-12, O-ring size 2-215 / 16-16 T2HOA5 (16M2TU16): tube 1", thread size 1-5/16-12, O-ring size 2-219 |