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 5965-00-134-0883
NSN 5945-01-141-7017
NSN 6685-00-006-7915
NSN 7035-01-313-6973
NSN 5895-01-470-3414
NSN 5835-01-519-1153
NSN 6645-01-290-3930
NSN 5945-01-245-8635
NSN 2925-01-554-5246
NSN 6150-00-269-4851
NSN 5905-01-619-4711
NSN 5915-00-810-0164