National Stock Number
6625-00-595-7639
National Stock Number (NSN) 6625-00-595-7639, or NIIN 005957639, (klystron tube mount) has an unknown assigned date. NIIN 005957639 was cancelled on June 1, 1997, 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 no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 22878. [AN ITEM WHICH ACCOMMODATES A REFLEX KLYSTRON TYPE TUBE USED AS A RADIO FREQUENCY SOURCE, TO TEST AND/OR CALIBRATE MICRROWAVE COMPONENTS. THE ITEM HAS INPUT AND OUTPUT CONNECTIONS AND MAY INCLUDE FORCED AIR COOLING. THIS ITEM IS SPECIFICALLY DESIGNED TO BE ELECTICALLY AND MECHANICALLY ATTACHED TO A KLYSTRON POWER SUPPLY.]. 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 6625005957639 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.