The Parker CPI / A-LOK Male Connector to O-Ring Straight Thread (ZHBA5 / M2SC) connects a fractional tube to an O-ring seal straight male thread. It comes in 11 size combinations with tube outer diameters from 1/16" to 1". CPI uses a single ferrule and A-LOK a double ferrule.
| Type | Male connector to O-ring straight thread: connects a fractional tube to an O-ring seal straight male thread |
| Part Numbers | CPI 1-2 ZHBA5, A-LOK 1M2SC2 ~ CPI 16-16 ZHBA5, A-LOK 16M2SC16 |
| Size Numbers | Tube size numbers in the part number are in sixteenths of an inch (for example 1/2" tube = 8) |
| Connection Method | CPI: single ferrule / A-LOK: double ferrule |
| 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 |
| 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) | 1-2 ZHBA5 (1M2SC2): tube 1/16", thread size 5/16-24, O-ring size 2-011 / 2-2 ZHBA5 (2M2SC2): tube 1/8", thread size 5/16-24, O-ring size 2-011 / 3-3 ZHBA5 (3M2SC3): tube 3/16", thread size 3/8-24, O-ring size 2-012 / 4-4 ZHBA5 (4M2SC4): tube 1/4", thread size 7/16-20, O-ring size 2-111 / 5-5 ZHBA5 (5M2SC5): tube 5/16", thread size 1/2-20, O-ring size 2-112 / 6-6 ZHBA5 (6M2SC6): tube 3/8", thread size 9/16-18, O-ring size 2-113 / 8-8 ZHBA5 (8M2SC8): tube 1/2", thread size 3/4-16, O-ring size 2-116 / 10-10 ZHBA5 (10M2SC10): tube 5/8", thread size 7/8-14, O-ring size 2-212 / 12-12 ZHBA5 (12M2SC12): tube 3/4", thread size 1-1/16-12, O-ring size 2-215 / 14-12 ZHBA5 (14M2SC12): tube 7/8", thread size 1-1/16-12, O-ring size 2-215 / 16-16 ZHBA5 (16M2SC16): tube 1", thread size 1-5/16-12, O-ring size 2-219 |