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 6220-00-986-1428
NSN 5945-01-379-8249
NSN 5895-00-011-7880
NSN 6645-00-877-6002
NSN 6220-01-040-9002
NSN 6135-01-546-4588
NSN 6150-01-003-8940
NSN 5910-00-657-9495
NSN 5910-01-551-1268
NSN 6135-01-478-5598
NSN 6105-01-383-4455
NSN 6685-01-644-2197