National Stock Number
5960-00-997-2554
National Stock Number (NSN) 5960-00-997-2554, or NIIN 009972554, (insert,electron tube shield) was assigned April 11, 1967 in the Federal Logistics Information System (FLIS). NIIN 009972554 was cancelled on September 2, 1995, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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) 21489. [A METALLIC ITEM SPECIFICALLY DESIGNED TO BE INSERTED INTO A SHIELD, ELECTRON TUBE AND TO CONTACT THE ELECTRON TUBE ENVELOPE FOR THE PURPOSE OF DISSIPATING HEAT BY CONDUCTION TO THE TUBE SHIELD.]. 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 5960009972554 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.