National Stock Number
4730-00-971-1545
National Stock Number (NSN) 4730-00-971-1545, or NIIN 009711545, (seal nut,pipe) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Dec 11, 2017. There have been 10 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M018V2465, SPE7M317P4564, SPE7M317V1760, SPE7M115M8738, SPE7L015M3328. The total value of the awarded contracts has been US$ 60,126.54.
This NSN is unique to one weapons system.
There has been a small amount of 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 May 30, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 23542. [A HEXAGONAL NUT CONTAINING INTERNAL TAPERED PIPE THREADS. IT HAS RAISED UNDETACHABLE SEALING MEMBER ON THE FACE OF THE BEARING SURFACE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF SEALING THE CONNECTION AT THE BOSS OR MATING SURFACE. IT DOES NOT PROVIDE ANY METHOD FOR LOCKING AT THE CONNECTION. SEE LOCKNUT, 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 4730009711545 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.