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 6685-00-513-9462
NSN 5996-00-170-8060
NSN 5930-00-771-8119
NSN 6220-01-514-5520
NSN 6145-00-445-7839
NSN 6620-01-485-0556
NSN 6220-01-441-8310
NSN 6320-01-285-1922
NSN 6240-01-411-6902
NSN 5990-01-507-7495
NSN 6220-01-576-9066
NSN 6610-01-281-4590