The following chart was created by DRAFTSUPPLY.COM who has a complete supply of replacement parts.
What Type/Size Posts Will Fit on My Corny Keg?
The first thing to determine is the type of keg that you have – Firestone, Spartan, Super Champion, John Wood, Challenger, etc.
In order to determine what type of posts will fit on your keg, you’ll need to start by determining the brand of the keg. You can determine the type/brand of your keg by looking at the stamp/markings on the side.
Use the chart below to determine what size posts your keg has.
| Keg Type | Gas Post Size – Thread | Liquid Post Size – Thread | |
| Cornelius Spartan | 19/32″ – 18 | 19/32″ – 18 | |
| Cornelius R (Pin Lock) | 19/32″ – 18 (2 Pin) | 19/32″ – 18 (3 Pin) | |
| Firestone A (Pin Lock) | 9/16″ – 18 (2 Pin) | 9/16″ – 18 (3 Pin) | |
| Firestone R (Pin Lock) | 9/16″ – 18 (2 Pin) | 9/16″ – 18 (3 Pin) | |
| Firestone Challenger | 11/16″ – 18 View Partner | 3/4″ – 18 | |
| Firestone Super Challenger | 9/16″ – 18 | 5/8″ – 18 | |
| Firestone V Challenger | 9/16″ – 18 | 5/8″ – 18 | |
| Firestone VI Challenger | 9/16″ – 18 | 5/8″ – 18 | |
| John Wood 85 | 11/16″ – 18 View Partner | 3/4″ – 18 | |
| John Wood RA (Pin Lock) | 9/16″ – 18 (2 Pin) | 9/16″ – 18 (3 Pin) | |
| John Wood RC (Pin Lock) | 9/16″ – 18 (2 Pin) | 9/16″ – 18 (3 Pin) | |
| Super Champion | 19/32″ – 18 | 19/32″ – 18 | Vi |
| AEB Kegs | 19/32″ – 18 | 19/32″ – 18 |
Crescent City Brew Talk 