National Stock Number
6515-01-421-5528
National Stock Number (NSN) 6515-01-421-5528, or NIIN 014215528, (valve,flap,suction,) was assigned November 9, 1995 in the Federal Logistics Information System (FLIS). NIIN 014215528 was cancelled on October 2, 2003, 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 2 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
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 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 6515014215528 does not contain precious metals.
This information was last updated on Jul 01, 2025.