National Stock Number
6610-01-147-8438
National Stock Number (NSN) 6610-01-147-8438, or NIIN 011478438, (indicator,vertical velocity) was assigned February 23, 1983 in the Federal Logistics Information System (FLIS). NIIN 011478438 was cancelled on December 16, 2017, 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 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers 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.
This NSN is assigned to Item Name Code (INC) 03448. [AN INDICATOR WHICH INDICATES THE RATE OF AN AIRCRAFT'S ASCENT OR DESCENT.]. This item is specifically designed to be or selected as being nuclear hard (ie. it will continue to perform its designed function in an environment created by a nuclear explosion). This item does not have any other critical features. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6610011478438 does not contain precious metals.
This information was last updated on Aug 01, 2025.