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 6620-00-610-1272
NSN 5895-01-035-1073
NSN 2925-00-159-0337
NSN 4140-00-911-1485
NSN 6240-00-779-3394
NSN 6645-01-076-4655
NSN 5998-00-206-6613
NSN 5915-00-928-8267
NSN 5945-00-701-4841
NSN 5935-00-780-0971
NSN 6620-01-322-8382
NSN 5835-01-281-7281