1999 Name	2000 Name	2006 Name	2019 Name
02	1.5	1.5	1.5
24-R	3-R	3-R-2	3-R-2
-	2.5 Conduit Support	2.5-CS-2	8-BS-2
-	-	2.5-CS-5	8-BS-5
-	2.5 Conduit-AH	2.5-CS-7	8-BS-8
-	-	2.5-CS-12	8-BS-12
-	-	16-BS-7	12-BS-8
-	-	16-BS-12	12-BS-12
-	-	20-BS-7	16-BS-8
-	-	20-BS-12	16-BS-12
-	-	24-BS-4	20-BS-4
-	-	24-BS-18	20-BS-18
25-R	4-R	Discontinued See 4-RAH supports	Discontinued See 4-RAH supports
-	-	3-RAH-7	3-RAH-8
24-RAH and 25-RAH	4-RAH	4-RAH-7	4-RAH-10
-	-	4-RAH-12	4-RAH-14
48-R2	8-R2	Discontinued See 5-RAH supports	Discontinued See 5-RAH supports
48-R6	8-R6	5-RAH-7	5-RAH-8
59-RAH	5-RAH	5-RAH-7	5-RAH-8
48-RAH	6-RAH	6-RAH-7	6-RAH-8
48-R12	8-R12	6-RAH-7	6-RAH-8
59-R	5-R	Discontinued See 5-RAH supports	Discontinued See 5-RAH supports
-	-	8-RAH-18	10-RAH-18
-	-	RSS4	RSS3