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 5935-01-260-2358
NSN 5935-00-686-4007
NSN 5945-01-413-1282
NSN 5920-01-133-3546
NSN 5965-00-479-9567
NSN 2925-01-419-3805
NSN 5930-01-392-8852
NSN 5935-00-371-2879
NSN 5925-01-462-2209
NSN 5835-01-069-2359
NSN 5905-01-501-4360
NSN 5998-01-445-2815