National Stock Number
2840-00-463-7221
National Stock Number (NSN) 2840-00-463-7221, or NIIN 004637221, (blade compressor) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). NIIN 004637221 was cancelled on June 2, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2840008109303. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated 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. 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.
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 2840004637221 does not contain precious metals.
This information was last updated on Jul 01, 2025.