National Stock Number
6515-01-290-5464
National Stock Number (NSN) 6515-01-290-5464, or NIIN 012905464, (ring kit,flowhead sealing,spirometer) was assigned December 13, 1988 in the Federal Logistics Information System (FLIS). NIIN 012905464 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." 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, there are no suppliers 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) 52109. [INC 52109 CANCELLED ON 060611~A GROUP OF ITEMS USED WITH THE COMPACT SPIROMETER TO ENSURE THE FLOWHEAD IS AIRTIGHT WHEN REPLACING FILTERS SANITIZING THE BASIC UNIT. MAY INCLUDE METALLIC RINGS WHICH ARE COLOR CODED.]. 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 6515012905464 does not contain precious metals.
This information was last updated on Aug 01, 2025.