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 5950-01-128-2970
NSN 6610-01-381-0652
NSN 5930-01-553-6496
NSN 6130-00-921-3373
NSN 6320-00-790-4844
NSN 5999-01-099-0592
NSN 6110-00-389-6600
NSN 6685-01-326-2543
NSN 5915-01-006-0169
NSN 6110-01-643-4898
NSN 6135-01-589-9467
NSN 5975-01-197-7673