Part # 4860-006
Manufacturer Code 06671R0204
Dimensions 9.75" L x 9" W x 2.25" D
Alternate Part #'s 06671R0204
"thread Lid, Black Astral Lock Ring 3000 Series"
How do you install this? Is there a manual or some kind of instructions? I have an Astral Model #l, Code 00611-0200, s/n 01949-0880 which I'm sure is obsolete.