A device having hub and/or spigot ends. It is used in drain of soil systems to prevent sewer gas from backing up beyond 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. It may have side inlet and/or cleanout.
Classification: Fittings, nonmalleable cast iron for cast-iron soil pipe (not threaded)
NSN 5935-00-411-8942
NSN 5930-01-428-2263
NSN 5920-01-519-0756
NSN 5999-01-422-9201
NSN 4140-00-007-2627
NSN 6105-00-455-6193
NSN 6105-01-607-0381
NSN 6685-01-080-5870
NSN 7035-01-284-5043
NSN 5965-01-233-8607
NSN 6610-01-287-9814
NSN 6645-01-592-2557