6140-01-331-6228 (512050)
NSN 6140-01-331-6228 (NIIN 01-331-6228) is a battery filler cap in Federal Supply Class 6140, Batteries, Rechargeable — an item, basically round in shape, with or without a vent, designed to fit the electrolyte filler hole in a battery. Manufacturer part number 512050 (E W Yost Company, CAGE 8H739).
NIIN assigned December 1990; DEMIL A (none required); unit of issue EA (each), $15.30 gov standard price; export Schedule B 8507.90.4000; ships at 0.02 lb / 0.005 cu ft.