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MS18013-3 Humidity Indicator Plug

SKU: MS18013-3 Categories: ,


Meets MS18013-3

This is a zinc-plated brass Humidity Indicator Plug with a glass window. Furnished with gasket, gasket retainer and nut. It installs into a 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)

Recommended Installation Torque: 25 - 35 in. - lbs. (3.0 - 4.0 N·m)

Maximum wall thickness: 0.15 in. (4 mm)

Additional information

Mounting Hole Diameter

0.515 in (13.1 mm)

Body Finish

Zinc-Plated, Clear

External Gasket Material


Window Diameter

0.995 in (25.3 mm)

Complies With


Body Material



0.08 lbs (36 grams)

Internal O-Ring Material


IP/NEMA Rating

This is appropriate for use on NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K and 13 enclosures, as well as I66/IP67 enclosures. This item may also be appropriate for use on other NEMA or IP enclosures, depending upon the application.

Maximum Wall Thickness

0.15 in (4 mm)

AGM Container Controls, Inc.
3526 E. Fort Lowell Rd.
Tucson, AZ 85716

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