6740-00-488-4560 (PRT2FL)
NSN 6740-00-488-4560 (NIIN 00-488-4560) is a photographic proces floating lid in Federal Supply Class 6740, Photographic Developing And Finishing Equipment — a cover designed to float on top of photographic processing solutions to prevent air from reaching the solutions. Manufacturer part number PRT2FL (Arkay Corp Of Wisconsin, CAGE 08215).
NIIN assigned May 1970; DEMIL A (none required); unit of issue EA (each); export Schedule B 9010.50.2000.