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 6610-01-620-7711
NSN 5910-00-143-0851
NSN 5965-01-238-3900
NSN 6610-00-800-7645
NSN 6320-00-823-2015
NSN 5925-00-812-6575
NSN 2925-01-464-3093
NSN 5990-01-306-7642
NSN 5835-00-198-4936
NSN 5945-01-353-7924
NSN 5975-01-507-3513
NSN 5985-00-284-1869