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 5930-00-367-3983
NSN 5998-00-106-9321
NSN 4140-00-036-6447
NSN 6685-01-224-6405
NSN 4140-00-918-5162
NSN 6135-01-264-1311
NSN 5905-00-246-1223
NSN 5895-01-657-0040
NSN 5930-01-248-9326
NSN 5960-01-364-9795
NSN 6240-01-158-3562
NSN 5998-01-082-2104