5355-00-668-4547 (383387)
NSN 5355-00-668-4547 (NIIN 00-668-4547) 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 383387 (Simmonds Precision Products Inc, CAGE 89305).
NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $0.40 gov standard price; export Schedule B 7015.90.0000.