This is a zinc-plated
brass Humidty Indicator Plug with a glass window. Furnished
with gasket, gasket retainer and nut. It may
be installed in container through a 0.515 in. (13.1 mm) diameter
hole. Furnished with a 20-30-40% pie sector humidity disc. Humidity
disc is not field replaceable. NSN # 6685-00-464-4660.
Weight:
0.08 lbs. (36 grams)
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