5355-00-511-9383 (8172113)
NSN 5355-00-511-9383 (NIIN 00-511-9383) is a dial window in Federal Supply Class 5355, Knobs And Pointers — a piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. Manufacturer part number 8172113 (Us Army Aviation And Missile Command, CAGE 18876).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 7015.90.0000.