National Stock Number
4730-01-254-0956
National Stock Number (NSN) 4730-01-254-0956, or NIIN 012540956, (trap,drainage pipe) was assigned May 1, 1987 in the Federal Logistics Information System (FLIS). NIIN 012540956 was cancelled on December 18, 2002, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 18262. [A DEVICE DESIGNED TO BE CONNECTED TO A DRAINAGE SYSTEM TO PREVENT 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 THE LETTER P AND S. IT IS PROVIDED WITH AN INTERNAL SHOULDER(S) AT THE END(S) OF ITS INTERNAL THREADED OR UNTHREADED PORTION, WHOSE INSIDE DIAMETER CONFORMS TO STANDARD WEIGHT WROUGHT IRON PIPE OR COPPER DRAINAGE, WASTE AND VENT (DWV) TUBE. WHEN CONNECTED, THE MATING PIPES MAKE UP CLOSE TO THE SHOULDERS TO ELIMINATE POCKETS AND PROVIDE A SMOOTH FLOW OF PIPE AND/OR PIPE FITTING CONTENTS. EXCLUDES:TRAP, DRAIN, PLUMBING FIXTURE; AND TRAP, SOIL PIPE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730012540956 does not contain precious metals.
This information was last updated on May 01, 2025.