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 5975-01-411-7724
NSN 6150-01-030-0510
NSN 6105-00-283-2849
NSN 6645-01-308-5729
NSN 5985-01-045-2085
NSN 6620-00-280-2874
NSN 7035-01-263-5463
NSN 6610-00-525-6022
NSN 5925-01-126-8188
NSN 6620-01-186-4374
NSN 4140-00-035-4997
NSN 6130-01-570-3241