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	Product Link
Cornelius Spartan	19/32" - 18	19/32" - 18	View Product
Cornelius R (Pin Lock)	19/32" - 18 (2 Pin)	19/32" - 18 (3 Pin)	View Product
Firestone A (Pin Lock)	9/16" - 18 (2 Pin)	9/16" - 18 (3 Pin)	View Product
Firestone R (Pin Lock)	9/16" - 18 (2 Pin)	9/16" - 18 (3 Pin)	View Product
Firestone Challenger	11/16" - 18 View Partner	3/4" - 18 View Partner
Firestone Super Challenger	9/16" - 18	5/8" - 18	View Product
Firestone V Challenger	9/16" - 18	5/8" - 18	View Product
Firestone VI Challenger	9/16" - 18	5/8" - 18	View Product
John Wood 85	11/16" - 18 View Partner	3/4" - 18 View Partner
John Wood RA (Pin Lock)	9/16" - 18 (2 Pin)	9/16" - 18 (3 Pin)	View Product
John Wood RC (Pin Lock)	9/16" - 18 (2 Pin)	9/16" - 18 (3 Pin)	View Product
Super Champion	19/32" - 18	19/32" - 18	View Product
AEB Kegs	19/32" - 18	19/32" - 18	View Product