National Stock Number
4940-01-271-5637
National Stock Number (NSN) 4940-01-271-5637, or NIIN 012715637, (enclosure,electromagnetic shielding) was assigned January 27, 1988 in the Federal Logistics Information System (FLIS). NIIN 012715637 was cancelled on April 25, 2002, 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) 20361. [A PREFABRICATED AND/OR DEMOUNTABLE STRUCTURE DESIGNED TO ENCOMPASS ELECTRICAL APPARATUS AND PERSONNEL FOR THE PURPOSE OF SHIELDING AGAINST ELECTROMAGNETIC OR MECHANICAL INTERFERENCE. FOR ITEMS THAT DO NOT ENCOMPASS PERSONNEL, SEE SHIELD, TEST.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4940012715637 does not contain precious metals.
This information was last updated on Aug 01, 2025.