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 5930-01-108-1609
NSN 6320-01-631-7828
NSN 5910-01-310-3092
NSN 6610-01-425-1523
NSN 6150-01-457-9315
NSN 5945-01-525-8251
NSN 5945-01-361-0700
NSN 6220-01-572-9396
NSN 5925-01-415-3084
NSN 6135-01-571-7488
NSN 5935-01-549-8083
NSN 5905-01-129-0539