5960-00-686-7442 (117964)
NSN 5960-00-686-7442 (NIIN 00-686-7442) is an electron tube shield in Federal Supply Class 5960, Electron Tubes And Associated Hardware — an item specifically designed to be placed partially or completely around an electron tube for the purpose of shielding against electrical or mechanical. Manufacturer part number 117964 (Northrop Grumman Systems Corporation, CAGE 06481); also referenced as 542-8513-002 (Rockwell Collins, Inc.).
NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $312.07 gov standard price; export Schedule B 8540.99.0000.