Thread Types: Difference between revisions
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*NST - National Standard Thread. Same as GHT (Garden Hose Thread) or NH (National Hose) | *NST - National Standard Thread. Same as GHT (Garden Hose Thread) or NH (National Hose) | ||
*GHT - garden hose, used also in fire hose [https://rawhidefirehose.com/blog/guide-fire-hose-couplings-threading/#:~:text=NH%2FNST%20Threads,also%20referred%20to%20as%20NH.]. Same threads per inch as NPT, but not tapered. | *GHT - garden hose, used also in fire hose [https://rawhidefirehose.com/blog/guide-fire-hose-couplings-threading/#:~:text=NH%2FNST%20Threads,also%20referred%20to%20as%20NH.]. Same threads per inch as NPT, but not tapered. | ||
*NPSH - same as NPS [https://www.google.com/search?sxsrf=ALeKk026QG9BbsZl0rNsBS9KmerMgczY_w%3A1602863734253&source=hp&ei=dsKJX6q8DJDYsAXHkpG4Cw&q=is+NST+thread+compatible+with+NPS+thread&btnK=Google+Search&oq=how+to+configure+nvidia+geforce+gtx+1650+super+on+linux+mint&gs_lcp=CgZwc3ktYWIQAzIFCCEQoAEyBQghEKsCMgUIIRCrAjoOCAAQ6gIQtAIQmgEQ5QI6DgguELEDEMcBEKMCEJMCOggILhDHARCvAToLCC4QsQMQxwEQowI6CAgAELEDEIMBOggILhCxAxCDAToFCAAQsQM6AggAOgQIABAKOgYIABAWEB46CAghEBYQHRAeOgcIIRAKEKABUMsQWOmzAWD8tAFoBnAAeACAAeQGiAGhS5IBDTExLjQ3LjMuMi42LTGYAQCgAQGqAQdnd3Mtd2l6sAEG&sclient=psy-ab&ved=0ahUKEwiqz4DcvLnsAhUQLKwKHUdJBLcQ4dUDCAk&uact=5] | |||
*NPS - National Piper Thread, same as NPT, but straight. [https://netcamcenter.nl/media/documents/NPT-vs-NPS-pipe-thread.pdf]. NPS is not used for high pressure, while NPT can be, such as hydraulics. Does this mean that NPS and GHT are the same? | *NPS - National Piper Thread, same as NPT, but straight. [https://netcamcenter.nl/media/documents/NPT-vs-NPS-pipe-thread.pdf]. NPS is not used for high pressure, while NPT can be, such as hydraulics. Does this mean that NPS and GHT are the same? | ||
*NPSM - National Pipe - Straight Mechanical - closure attained by 30 degree compression fit with a swivel - [http://pressureconnections.com/customer/prcoco/customerpages/literature/Steel_NPSM_Female_Pipe_Swivel.pdf]. Only NPT with chamfer will seal properly with NPSM - other NPT threads may not seal. | *NPSM - National Pipe - Straight Mechanical - closure attained by 30 degree compression fit with a swivel - [http://pressureconnections.com/customer/prcoco/customerpages/literature/Steel_NPSM_Female_Pipe_Swivel.pdf]. Only NPT with chamfer will seal properly with NPSM - other NPT threads may not seal. | ||
Revision as of 16:10, 19 March 2024
Short List
- NST - National Standard Thread. Same as GHT (Garden Hose Thread) or NH (National Hose)
- GHT - garden hose, used also in fire hose [1]. Same threads per inch as NPT, but not tapered.
- NPSH - same as NPS [2]
- NPS - National Piper Thread, same as NPT, but straight. [3]. NPS is not used for high pressure, while NPT can be, such as hydraulics. Does this mean that NPS and GHT are the same?
- NPSM - National Pipe - Straight Mechanical - closure attained by 30 degree compression fit with a swivel - [4]. Only NPT with chamfer will seal properly with NPSM - other NPT threads may not seal.
- NPT - National Pipe - tapered
- R, G - [5]
- BSPP - British Pipe thread parallel
- BSPT - British Pipe thread tapered
- Bolt thread - fine and course
- Metric bolt - fine and course
- Metric pipe straight
- Metric pipe parallel
- UN - [6]
- SAE - with o-rings
Long List
Probably hundreds exist all together.