Humidity Indicator Plug TA348 This is a clear anodized aluminum Humidity Indicator Plug.  It is designed for installation in a 3/4-14 straight pipe threaded boss.  Use primarily where panel space is limited and front mount installation and removal is desired.  Furnished with an o-ring and a 40% humidity disc. For optional multiple spot discs, refer to the Color-Change Disc page. Suffix numbers specify optional discs.  For instance, TA348-234P includes a 20-30-40% pie sector disc. Also available as TA349 Humidity Indicator Plug with black anodize finish.  Humidity discs can be changed or replaced in the field with a 0.50 in. (13 mm) hex key wrench.

Weight: 0.027 lbs. (12 grams) Maximum Internal Pressure: 10 psi

Mounting Requirements: Thread size: 3/4-14 Straight Pipe Thread Recommended installation torque: 20-30 in-lbs Recommended counter bore size (to help capture o-ring): Ø1.130 ± .010 X .08 ± .010 Deep Can be mounted in a straight hole if used with mounting nut 356056-16 (sold separately) Not recommended for mounting in flexible walls or bags

TA348 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 us for more information.