Industrial Supply Company
Pipe Thread Sizes (NPSC)
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1/8-2711/32
1/4-187/16
3/8-1837/64
1/2-1423/32
3/4-1459/64
1-11 1/21 5/32
1 1/4-11 1/21 1/2
1 1/2-11 1/21 3/4
2-11 1/22 7/32
2 1/2-82 21/32
3-83 1/4
3 1/2-83 3/4
4-84 1/4
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