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 5975-00-009-7020
NSN 5915-01-592-3135
NSN 7035-01-158-7673
NSN 5915-00-762-0824
NSN 5920-01-512-9897
NSN 6130-01-601-8132
NSN 5996-01-553-7399
NSN 5945-01-058-9941
NSN 6105-01-345-8841
NSN 5930-01-583-9127
NSN 5905-00-197-7674
NSN 5965-00-275-0491