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 5930-00-435-7641
NSN 5905-00-906-6013
NSN 6320-00-456-0836
NSN 5930-01-621-8905
NSN 6220-01-576-7905
NSN 5965-00-067-7393
NSN 7035-01-354-9382
NSN 5950-01-067-7948
NSN 5910-00-177-2640
NSN 6650-01-203-8263
NSN 4140-00-210-0552
NSN 5905-00-045-5604