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 6685-00-469-8891
NSN 6620-00-706-2481
NSN 6135-01-558-7257
NSN 6110-00-627-7872
NSN 5996-01-564-0958
NSN 6145-01-541-2359
NSN 6105-01-103-5685
NSN 5910-01-570-7343
NSN 5990-01-352-5255
NSN 5965-01-399-8454
NSN 6610-01-010-3159
NSN 5950-00-104-8113