National Stock Number
4730-00-391-9299
National Stock Number (NSN) 4730-00-391-9299, or NIIN 003919299, (coupling,pipe) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730002183049.
There are 5 manufacturer part numbers associated with this NSN. 3 of those 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, 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 unique to one weapons system.
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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 06076. [A STRAIGHT FITTING 12 INCHES (304 MM) LONG OR UNDER HAVING THE SAME OR DIFFERENT TYPE PIPE CONNECTION OF THE SAME SIZE ON BOTH ENDS. IT IS DESIGNED TO JOIN A PIPE OR PIPE FITTING TO ANOTHER PIPE OR PIPE FITTING. EXCLUDES:FITTINGS WITH THREADED EXTERNAL CONNECTIONS ON BOTH ENDS. SEE ALSO NIPPLE, 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 4730003919299 contains an unknown precious metal.
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 Aug 01, 2025.