Pipe nipple is a length of straight pipe with male threads on both ends. It is one of the most popular category of pipe fittings.It is a connector or a coupling threaded on both ends. Pipe nipples are used to allow plumbing to be connected to a water heater or other plumbing. They are used to fit straight end hose or pipe. A combination of pipe nipples are recommended for low-pressure discharge and suction service for various compatible liquids and not for compressible products like air,nitrogen or steam.
NPS | Outside Diameter | ||
D1(Large End) | D2(Small End) | A(End To End) | |
1/4″x1/8″ | 13.7 | 10.3 | 57 |
3/8″x1/8″ | 17.1 | 10.3 | 64 |
3/8″x1/4″ | 17.1 | 13.7 | 64 |
1/2″x1/8″ | 21.3 | 10.3 | 70 |
1/2″x1/4″ | 21.3 | 13.7 | 70 |
1/2″x3/8″ | 21.3 | 17.1 | 70 |
3/4″x1/8″ | 26.7 | 10.3 | 76 |
3/4’x1/4″ | 26.7 | 13.7 | 76 |
3/4″x3/8″ | 26.7 | 17.1 | 76 |
3/4″x1/2″ | 26.7 | 21.3 | 76 |
1″x1/8″ | 33.4 | 10.3 | 89 |
1″x1/4″ | 33.4 | 13.7 | 89 |
1″x3/8″ | 33.4 | 17.1 | 89 |
1″x1/2″ | 33.4 | 21.3 | 89 |
1″x3/4″ | 33.4 | 26.7 | 89 |
1 1/4″x1/8″ | 42.2 | 10.3 | 102 |
1 1/4″x1/4″ | 42.2 | 13.7 | 102 |
1 1/4″x3/8″ | 42.2 | 17.1 | 102 |
1 1/4″x1/2″ | 42.2 | 21.3 | 102 |
1 1/4″x3/4″ | 42.2 | 26.7 | 102 |
1 1/4″x1″ | 42.2 | 33.4 | 102 |
1 1/2″x1/8″ | 48.3 | 10.3 | 114 |
1 1/2″x1/4″ | 48.3 | 13.7 | 114 |
1 1/2″x3/8″ | 48.3 | 17.1 | 114 |
1 1/2″x1/2″ | 48.3 | 21.3 | 114 |
1 1/2″x3/4″ | 48.3 | 26.7 | 114 |
1 1/2″x1″ | 48.3 | 33.4 | 114 |
1 1/2″x1 1/4″ | 48.3 | 42.2 | 114 |
2″x1/8″ | 60.3 | 10.3 | 165 |
2″x1/4″ | 60.3 | 13.7 | 165 |
2″x3/8″ | 60.3 | 17.1 | 165 |
2″x1/2″ | 60.3 | 21.3 | 165 |
2″x3/4″ | 60.3 | 26.7 | 165 |
2″x1″ | 60.3 | 33.4 | 165 |
2″x1 1/4″ | 60.3 | 42.2 | 165 |
2″x1 1/2″ | 60.3 | 48.3 | 165 |
2 1/2″x1/8″ | 73 | 10.3 | 178 |
2 1/2″x1/4″ | 73 | 13.7 | 178 |
2 1/2″x3/8″ | 73 | 17.1 | 178 |
2 1/2″x1/2″ | 73 | 21.3 | 178 |
2 1/2″x3/4″ | 73 | 26.7 | 178 |
2 1/2″x1″ | 73 | 33.4 | 178 |
2 1/2″x1 1/4″ | 73 | 42.2 | 178 |
2 1/2″x1 1/2″ | 73 | 48.3 | 178 |
2 1/2″x2″ | 73 | 60.3 | 178 |
3″x1/8″ | 88.9 | 10.3 | 203 |
3″x1/4″ | 88.9 | 13.7 | 203 |
3″x3/8″ | 88.9 | 17.1 | 203 |
3″x1/2″ | 88.9 | 21.3 | 203 |
3″x3/4″ | 88.9 | 26.7 | 203 |
3″x1″ | 88.9 | 33.4 | 203 |
3″x1 1/4″ | 88.9 | 42.2 | 203 |
3″x1 1/2″ | 88.9 | 48.3 | 203 |
3″x2″ | 88.9 | 60.3 | 203 |
3″x2 1/2″ | 88.9 | 73 | 203 |
3 1/2″x1/8″ | 101.6 | 10.3 | 203 |
3 1/2″x1/4″ | 101.6 | 13.7 | 203 |
3 1/2″x3/8″ | 101.6 | 17.1 | 203 |
3 1/2″x1/2″ | 101.6 | 21.3 | 203 |
3 1/2″x3/4″ | 101.6 | 26.7 | 203 |
3 1/2″x1″ | 101.6 | 33.4 | 203 |
3 1/2″x1 1/4″ | 101.6 | 42.2 | 203 |
3 1/2″x1 1/2″ | 101.6 | 48.3 | 203 |
3 1/2″x2″ | 101.6 | 60.3 | 203 |
3 1/2″x2 1/2″ | 101.6 | 73 | 203 |
3 1/2″x3″ | 101.6 | 88.9 | 203 |
4″x1/4″ | 114.3 | 13.7 | 229 |
4″x3/8″ | 114.3 | 17.1 | 229 |
4″x1/2″ | 114.3 | 21.3 | 229 |
4″x3/4″ | 114.3 | 26.7 | 229 |
4″x1″ | 114.3 | 33.4 | 229 |
4″x1 1/4″ | 114.3 | 42.2 | 229 |
4″x1 1/2″ | 114.3 | 48.3 | 229 |
4″x2″ | 114.3 | 60.3 | 229 |
4″x2 1/2″ | 114.3 | 73 | 229 |
4″x3″ | 114.3 | 88.9 | 229 |
4″x3 1/2″ | 114.3 | 101.6 | 229 |