National Stock Number
4710-00-221-2856
National Stock Number (NSN) 4710-00-221-2856, or NIIN 002212856, (tube,air-anti-icing) was assigned January 31, 1969 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
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 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 Jul 06, 2020. There have been 13 contracts issued for this part number, with 14 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE7M420F0799, SPE7M420F0799, SPE7M420F0799, SPE7M420F0799, SPE7M420F0799. The total value of the awarded contracts has been US$ 1,807,485.43.
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 Aug 16, 2017, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 77777. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4710002212856 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.