National Stock Number
6610-01-122-1901
National Stock Number (NSN) 6610-01-122-1901, or NIIN 011221901, (computer,air data) was assigned November 15, 1981 in the Federal Logistics Information System (FLIS). NIIN 011221901 was cancelled on April 30, 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 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 30742. [A COMPUTER SPECIFICALLY DESIGNED TO CONVERT BASIC AIR DATA INPUT SIGNALS INTO ELECTRICAL OUTPUT SIGNALS REPRESENTING THE NECESSARY FLIGHT PARAMETERS SUCH AS PRESSURE ALTITUDE, MACH NUMBER, AIRSPEED, AND IMPACT PRESSURE. SEE ALSO COMPUTER, AIR SPEED; COMPUTER, ALTIMETER-PRESSURE; COMPUTER, ALTITUDE; COMPUTER, MACH NUMBER; COMPUTER, PRESSURE-ALTITUDE; COMPUTER, TRUE WIND DIRECTION AND INTENSITY; AND COMPUTER, ZONE WIND.]. 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 6610011221901 does not contain precious metals.
This information was last updated on Jul 01, 2025.