National Stock Number
4730-00-475-8591
National Stock Number (NSN) 4730-00-475-8591, or NIIN 004758591, (coupling,pipe) was assigned June 4, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 4730003949594, 4730013155597.
There are 9 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 May 08, 2017. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC17V8059. The total value of the awarded contracts has been US$ 163.02.
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 Feb 02, 2015, this NSN's acquisition method was noted as: Not established. Not established.
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 4730004758591 contains an unknown precious metal.
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.