National Stock Number
5960-00-497-7657
National Stock Number (NSN) 5960-00-497-7657, or NIIN 004977657, (shield,electron tube) was assigned June 21, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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 unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2008, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 10195. [AN ITEM SPECIFICALLY DESIGNED TO BE PLACED PARTIALLY OR COMPLETELY AROUND AN ELECTRON TUBE FOR THE PURPOSE OF SHIELDING AGAINST ELECTRICAL OR MECHANICAL INTERFERENCE OR PHYSICAL DAMAGE. MAY INCLUDE MOUNTING FACILITIES. SEE ALSO COVER (AS MODIFIED); HOUSING (AS MODIFIED) AND VISOR (AS MODIFIED).]. 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 5960004977657 contains an unknown precious metal.
This NSN is associated to Schedule B 8540990000: thermionic, cold cathode or photocathode tube parts, nesoi. The Schedule B End Use is listed as telecommunications equipment.
This information was last updated on Jul 01, 2025.