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 5985-01-347-2156
NSN 6320-01-457-2805
NSN 5999-00-728-6781
NSN 6145-00-583-9989
NSN 4140-00-928-9097
NSN 6645-01-485-9241
NSN 6320-01-162-5977
NSN 5920-01-321-0770
NSN 5915-01-171-2907
NSN 4140-01-292-2249
NSN 6685-00-983-7541
NSN 6645-01-421-2445