National Stock Number
5820-00-554-4244
National Stock Number (NSN) 5820-00-554-4244, or NIIN 005544244, (control,klystron frequency) was assigned October 20, 1969 in the Federal Logistics Information System (FLIS). NIIN 005544244 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 are 3 manufacturer part numbers 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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) 25857. [A CONTROL FOR THE SELECTION OF A SPECIFIC FREQUENCY FROM THE FREQUENCY RANGE OF A KLYSTRON TYPE OF ELECTRON TUBE. IT MAY HAVE SECONDARY FUNCTIONS SUCH AS CONTROL OF SWEEP PULSE CHARACTERISTICS. SEE ALSO CONTROL, MAGNETRON FREQUENCY.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5820005544244 does not contain precious metals.
This information was last updated on Aug 01, 2025.