|
NPT |
ANSI B1.20.1, FED-STD-H28/7 |
|
NPTF |
SAE J476, ANSI B1.20.3, FED-STD-H28/8 |
|
BSPT |
BS 21, ISO 7/1 |
|
BSPP |
BS 2779, ISO 228/1 |
|
Métrique |
ISO 261, ANSI B1.13M, FED-STD-H28/21 |
|
ONU/UNF* |
ANSI B1.1, FED-STD-H28/2 |
