National Stock Number
6660-01-179-3991
National Stock Number (NSN) 6660-01-179-3991, or NIIN 011793991, (radar set) was assigned May 17, 1984 in the Federal Logistics Information System (FLIS). NIIN 011793991 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 4 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.
This NSN is assigned to Item Name Code (INC) 19159. [A FIXED NUMBER OF COMPONENTS AND/OR ITEMS, NOT ALL HAVING THE SAME BASIC NAME, WHICH ARE REQUIRED FOR THE PERFORMANCE OF A COMPLETE SPECIFIC OPERATIONAL FUNCTION, THAT PROPAGATE INTO SPACE AND UTILIZE REFLECTED PORTIONS OF ELECTROMAGNETIC WAVES FOR SUCH PURPOSES AS DETECTING THE PRESENCE AND/OR DETERMINING THE LOCATION OF DISTANT OBJECTS, PROJECTILE VELOCITY MEASUREMENTS, TERRAIN CLEARANCE MEASUREMENTS, BOMB DIRECTING MEASUREMENT, AND THE LIKE. SEE ALSO RADAR SET, SEMITRAILER MOUNTED.]. 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 6660011793991 does not contain precious metals.
This information was last updated on Aug 01, 2025.