Capitol Threaded Plugs

THREADED FITTINGS
PLUGS **

Solid Square Head

Pipe Size

1/81

1/42

3/81

1/21

3/41

1

1 1/4

1 1/2

2

2 1/2

3

4

Dimension A

3/8

7/16

1/2

9/16

5/8

3/4

13/16

13/16

7/8

1 1/16

1 1/8

1 1/4

Dimension B

1/4

1/4

5/16

3/8

7/16

1/2

5/8

5/8

3/4

3/4

13/16

1

Dimension C

9/32

3/8

7/16

9/16

5/8

13/16

15/16

1 1/8

1 5/16

1 1/2

1 11/16

2 1/2

Approx. Wt. #

.016

.031

.063

.0125

.188

.313

.563

.875

1.50

2.25

2.87

7.18

Hex Head

Pipe Size

1/81

1/42

3/81

1/21

3/41

1

1 1/4

1 1/2

2

2 1/2

3

4

Dimension A

7/16

19/32

33/64

11/16

23/32

7/8

7/8

15/16

31/32

1 3/16*

1 3/8*

1 9/16*

Dimension B

1/4

1/4

5/16

5/16

3/8

3/8

9/16

5/8

11/16

3/4

13/16

3/4

Dimension C

7/16

5/8

11/16

7/8

1 1/16

1 3/8

1 3/4

2

2 1/2

3

3 1/4

4 5/8

Approx. Wt. #

.06

.06

.07

.19

.30

.58

1.10

1.54

2.54

2.34

6.24

11.0

* Not B16.11

Solid Round Head

Pipe Size	1/81	1/42	3/81	1/21	3/41	1	1 1/4	1 1/2	2	2 1/2	3	4
Dimension A	1 3/8	1 5/8	1 5/8	1 3/4	1 3/4	2	2	2	2 1/2	2 3/4	2 3/4	3
Dimension B	7/16	9/16	3/4	7/8	1 1/16	1 5/16	1 11/16	2	2 1/2	3	3 5/8	4 5/8
Approx. Wt. #	.06	.11	.20	.30	.44	.77	1.27	1.78	3.48	5.50	8.04	14.28

** Plugs are not identified by class. They may be used for ratings up to and including class 6000.

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