National Stock Number
6660-01-521-3050
National Stock Number (NSN) 6660-01-521-3050, or NIIN 015213050, (radiosonde set) was assigned June 17, 2004 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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 Jan 07, 2019. There have been 7 contracts issued for this part number, with 11 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: SPE4A619V6419, SPE4A617F0026, SPE4A617F0026, SPE4A614D0029, SPE4A614D0029. The total value of the awarded contracts has been US$ 673,245.59.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
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 Mar 03, 2020, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00731. [A FIXED NUMBER OF COMPONENTS AND/OR ITEMS, NOT ALL HAVING THE SAME BASIC NAME, REQUIRED FOR AUTOMATICALLY MEASURING AND TRANSMITTING HIGH ALTITUDE METEOROLOGICAL DATA BY RADIO FROM SUCH CARRIERS AS A BALLOON, KITE, OR ROCKET. SEE ALSO RADARSONDE SET.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6660015213050 does not contain precious metals.
This information was last updated on Jul 01, 2025.