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 5998-00-079-0032
NSN 6240-01-592-3176
NSN 6110-01-555-6519
NSN 6145-00-115-6355
NSN 5985-00-003-6111
NSN 6645-01-322-5644
NSN 5915-01-224-1604
NSN 5965-01-458-2412
NSN 6150-01-445-5366
NSN 5945-00-988-6483
NSN 5999-00-456-0603
NSN 5996-01-659-7161