National Stock Number
4730-01-526-7421
National Stock Number (NSN) 4730-01-526-7421, or NIIN 015267421, (trap,drainage pipe) was assigned January 5, 2005 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 25, 2019. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M319P2175. The total value of the awarded contracts has been US$ 695.00.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730015267421 does not contain precious metals.
This information was last updated on Jul 01, 2025.