A piping device usually formed of nonferrous metal which is connected to a plumbing fixture for waste drainage and for the purpose of preventing sewer gas from backing up beyond a desired point by forming a water seal in the line. This is accomplished by its peculiar shape which is usually in the form of a letter p or s.
NSN 5985-00-521-9051
NSN 6240-01-281-4153
NSN 5905-00-064-4921
NSN 6150-01-356-6025
NSN 5985-01-459-8441
NSN 6135-00-557-0174
NSN 5935-01-401-5324
NSN 6650-01-203-1632
NSN 6150-01-199-5015
NSN 6650-01-168-8451
NSN 4140-00-258-3612
NSN 6610-01-013-8922