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 6145-00-216-6613
NSN 5960-01-431-4291
NSN 6145-01-502-6399
NSN 6320-01-492-0243
NSN 5910-01-456-9541
NSN 6145-00-669-6795
NSN 6610-00-348-6696
NSN 5905-01-430-2541
NSN 6145-01-221-2458
NSN 5960-01-168-5010
NSN 5910-01-558-8388
NSN 6620-01-102-0008