National Stock Number
6660-01-499-5728
National Stock Number (NSN) 6660-01-499-5728, or NIIN 014995728, (radiosonde set) was assigned July 29, 2002 in the Federal Logistics Information System (FLIS). NIIN 014995728 was cancelled on October 2, 2015, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those 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 Mar 27, 2014. There have been 10 contracts issued for this part number, with 40 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A514M4545, SPE4A514M4545, SPE4A514M4482, SPE4A414V9400, SPE4A513M8857. The total value of the awarded contracts has been US$ 1,310,827.04.
This NSN is somewhat common among different platforms, belonging to 2 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 Jul 01, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 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. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6660014995728 does not contain precious metals.
This information was last updated on Jul 01, 2025.