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 5905-01-564-7693
NSN 6135-01-067-8331
NSN 5960-01-481-3722
NSN 5905-01-167-5184
NSN 2925-00-295-8109
NSN 5905-00-897-5916
NSN 5920-00-152-0267
NSN 5950-01-174-4468
NSN 5999-01-322-8578
NSN 5910-01-476-2092
NSN 5855-01-067-4129
NSN 5945-01-614-3989