National Stock Number
4730-01-165-4389
National Stock Number (NSN) 4730-01-165-4389, or NIIN 011654389, (tee-y,drainage pipe) was assigned October 28, 1983 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. 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 4730011654389 does not contain precious metals.
This NSN is associated to Schedule B 3917390002: tubes,pipes, hoses, and fittings thereof of plastics, nesoi. The Schedule B End Use is listed as other industrial supplies. NAICS classification category 326199: all other plastics product manufacturing.
This information was last updated on Aug 01, 2025.