National Stock Number
6660-00-955-3351
National Stock Number (NSN) 6660-00-955-3351, or NIIN 009553351, (computer,visual distance) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 009553351 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, 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00433. [A COMPUTER FOR DETERMINING THE DISTANCE THAT CAN BE SEEN BY AN OBSERVER, SUCH AS AN AIRCRAFT PILOT, TO A PREDETERMINED POINT, SUCH AS THE APPROACH END OF AN AIRPORT RUNWAY. IT IS A COMPONENT OF A METEOROLOGICAL SYSTEM FOR ESTABLISHING CRITERIA DURING THE APPROACH PHASE OF AN INSTRUMENT LANDING UNDER MARGINAL OR ZERO VISIBILITY CONDITIONS. SEE ALSO COMPUTER, AIR TRAFFIC CONTROL.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6660009553351 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.