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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