|Part Number||Cover Hole Diameter||Clear Opening Diameter||Cover Diameter||Mounting Hole Diameter||Weight|
|TA495||None||3.40" (86 mm)||4.50" (114 mm)||4.015" (102 mm)||0.95 lbs (431 grams)|
|TA495-3||1.050" (26 mm)||3.40" (86 mm)||4.50" (114 mm)||4.015" (102 mm)||0.95 lbs (431 grams)|
|TA495-4||1.265" (32 mm)||3.40" (86 mm)||4.50" (114 mm)||4.015" (102 mm)||0.95 lbs (431 grams)|
|TA495-5||2.015" (52 mm)||3.40" (86 mm)||4.50" (114 mm)||4.015" (102 mm)||0.91 lbs (413 grams)|
4" Access Ports (TA495 series) provide access to desiccant, data or accessory storage areas in containers, eliminating the labor of opening the container, and reducing the exposure of the contents to hostile environments. An access port can also be used to provide access to a container for diagnostic testing of its contents.
AGM's 4" Access Ports feature a 1/4-turn cover that can be removed without tools.
The TA495-4 has a 1.265 in (32 mm) dia. hole in cover for mounting a TA440 Breather Valve. (Order valves separately)
The TA495-5 has a 2.015 in. (52 mm) dia. hole in cover for mounting a TA770-R Two-Way Pressure Relief Valve. (Order valves separately)
Installation: Each port is provided with a gasket, washer and spanner nut for mounting the port to the container. AGM's ports are designed for mounting on a smooth, flat surface; they may not seal tightly if a surface is curved, domed or too rough.
Tamper-Proof: Holes through cover and flange of Access Port are provided for safety wiring and an inspector's seal.
Materials and Finishes: Aluminum alloys, conversion coated per MIL-DTL-5541. Mounting nut finishes are conversion coated. Note: Mounting Nut additionally coated with dry film lube. Stainless steel cover, passivated. Buna-N o-ring and gasket.
Torque Value for Spanner Nut: 150 lb. in. (17 N•m)
Rated Pressure: 5.0 PSID
Required mounting hole diameter: 4.015 + 0.030 / - 0.015 inches
The TA495 (solid cover)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. Contact AGM's Engineering department for more information.
A version of this port that meets SAE AS5135 is available. Contact AGM's Sales department for more information.