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 5930-01-653-0103
NSN 6135-01-576-9616
NSN 5925-00-001-1277
NSN 2925-00-265-7539
NSN 5996-01-246-8179
NSN 5950-00-362-5661
NSN 5935-00-528-2185
NSN 5835-01-284-5689
NSN 5975-00-088-9947
NSN 5999-01-397-7581
NSN 2925-01-543-0073
NSN 5895-01-381-1976