National Stock Number
4730-01-181-6643
National Stock Number (NSN) 4730-01-181-6643, or NIIN 011816643, (coupling,drainage pipe) was assigned June 13, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730012158714.
There are 5 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 4 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 11, 2014, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 06075. [A STRAIGHT FITTING HAVING AN INTERNALLY THREADED OR UNTHREADED CONNECTION OF THE SAME SIZE ON BOTH ENDS. IT IS PROVIDED WITH 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 PROVIDE A SMOOTH FLOW TO THE CONTENTS OF THE LINE. IT IS DESIGNED TO JOIN A PIPE OR PIPE FITTING TO ANOTHER PIPE OR PIPE FITTING IN A DRAINAGE LINE. EXCLUDES:COUPLING, 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 4730011816643 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 Jul 01, 2025.