This is a zinc-plated brass Humidity Indicator Plug.  It may be installed in a rigid container through a 1.05 in. (26 mm) diameter hole.  Standard TA350-40 is furnished with a 40% humidity indicator disc.  For optional multiple spot discs, refer to the Color-Change Disc page.  Suffix numbers specify optional discs.  For instance, TA350-2345S includes a 20-30-50% spot-type humidity disc.

Also available for mounting in a 3/4-14 straight pipe threaded boss as TA351 Type I.  Has gasket, but no washer or nut.  NSN # 6685-01-081-7036.

Weight: 0.16 lbs. (73 grams)

TA350 is appropriate for use on NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K, and 13 enclosures, as well as IP66/IP67 enclosures.  This item may also be appropriate for use on other NEMA or IP enclosures, depending upon the application.  Contact AGM's Engineering department for more information.