National Stock Number (NSN) 4730-01-273-1082, or NIIN 012731082, (flange,pipe) was assigned February 19, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, 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, with the most recent procurement date of Nov 27, 2012. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM7M313M1798, SPM7MC13M1298. The total value of the awarded contracts has been US$ 2,336.70.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 03798. [AN ITEM SOLID OR SPLIT INTO HALVES, HAVING A THREADED OR UNTHREADED HOLE FOR THE PURPOSE OF CONNECTING OR RETAINING A PIPE, TUBE, OR HOSE FITTING. THE FACE OF THE FLANGE MAY BE SMOOTH, GROOVED, OR SERRATED AND MAY BE DRILLED FOR CONNECTING BOLTS OR STUDS. IF THE ITEM IS UNTHREADED, THE PIPE OR TUBE MAY BE RETAINED BY WELDING, BRAZING, COMPRESSION, OR THE LIKE. EXCLUDES:FLANGE, PIPE, BLIND; FERRULE, GROOVED CLAMP COUPLING; AND ADAPTER (AS MODIFIED).]. 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 4730012731082 does not contain precious metals.
This NSN is associated to Schedule B 7412200000: copper alloy tube or pipe fittings. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Jul 01, 2025.