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 5855-01-129-1327
NSN 5960-01-391-1308
NSN 6150-01-531-7810
NSN 6130-01-407-0148
NSN 5930-01-423-8203
NSN 6240-01-517-7566
NSN 6320-01-512-2031
NSN 5910-01-106-1692
NSN 5905-01-505-6660
NSN 5975-00-081-2171
NSN 6220-00-169-6516
NSN 6220-00-694-6649