This plug is used to close off the end of a pipe.It is similar to a cap but it fits inside the fitting it is mated to.In a threaded iron pipe plumbing system, plugs have male threads.
NPS | A(Length) | F(Width Flat) | Hex Head | Square Head | Round Head |
1/8″ | 10 | 11 | 6 | 6 | 35 |
1/4″ | 11 | 16 | 6 | 6 | 41 |
3/8″ | 13 | 18 | 8 | 8 | 41 |
1/2″ | 14 | 22 | 8 | 10 | 44 |
3/4″ | 16 | 27 | 10 | 11 | 44 |
1″ | 19 | 36 | 10 | 13 | 51 |
1-1/4″ | 21 | 46 | 14 | 14 | 51 |
1-1/2″ | 21 | 50 | 16 | 16 | 51 |
2″ | 22 | 65 | 18 | 18 | 64 |
2-1/2″ | 27 | 75 | 19 | 19 | 70 |
3″ | 28 | 90 | 21 | 21 | 70 |
4″ | 32 | 115 | 25 | 25 | 76 |