22129 Genuine Meyer E60 Drain Plug Allen Plug with 9/16 O Ring

A New Meyer Allen Plug w/ O Ring #22129.

This Allen plug comes with a 9/16" O ring and it is used on the E60, E60H, E61, E61H and V66 Meyer plow pumps. The size of the plug is SAE 6. This is the drain plug on the bottom of the base. 

For a breakdown of this and related parts on the E60 and E60H, check this link.