National Stock Number
4730-01-246-8521
National Stock Number (NSN) 4730-01-246-8521, or NIIN 012468521, (tee-y,drainage pipe) was assigned December 20, 1986 in the Federal Logistics Information System (FLIS). NIIN 012468521 was cancelled on May 1, 2010, 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 are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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) 13181. [A FITTING HAVING ONE OR TWO BRANCHES WHOSE INTERNAL AND/OR EXTERNAL PORTIONS FORM A SWEEP OR RADIUS TO THE RUN WITH THE CONNECTIONS FIXED AT 90 DEGREES (1.5705 RADIANS) TO THE RUN. 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 PIPE AND/OR PIPE FITTING IS CLOSE TO THE SHOULDER TO ELIMINATE A POCKET AND TO PROVIDE A SMOOTH FLOW OFTHE PIPE AND/OR PIPE FITTING CONTENTS. IT MAY HAVE SIDE INLET(S).]. 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 4730012468521 does not contain precious metals.
This information was last updated on Jul 01, 2025.