Common Thread Accronyms

Common thread accronyms and abbreviations are as follows:

• ANPT - American National Taper Pipe
• ANPT - Aeronautical National Pipe Taper
• ANS - American National Standard replaced with UNS
• BA - British Association
• BSF - British Standard Fine
• BSP - British Standard Pipe
• BSW - British Standard Whitworth
• ISO - International Organization for Standardization
• NPT - National Pipe Thread Tapered Thread
• NPTF - National Pipe Taper Fuel - Dryseal
• UNS - Unified National Standard
• USS - United States Standard
• UTS - Unified Thread Standard