National Stock Number
6610-00-151-6644
National Stock Number (NSN) 6610-00-151-6644, or NIIN 001516644, (indicator,mach and true air speed) was assigned August 19, 1972 in the Federal Logistics Information System (FLIS). NIIN 001516644 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 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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) 03446. [AN INDICATOR WHICH DISPLAYS THE MACH NUMBER RANGE AT INDICATED AIR SPEED CHANGES IN FORWARD VELOCITY AND ATTITUDE.]. 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 6610001516644 does not contain precious metals.
This information was last updated on Aug 01, 2025.