
The RZ0366GASKET is a two-pack of replacement lid gaskets for RZ Series water-tight enclosures, listed by the manufacturer as the "RZ0366 / RZ0256 GASKET- 2PK". It is intended for maintenance technicians, OEM builders and field service teams who need to restore the seal on an existing RZ enclosure or keep spares on hand.
According to the RZ Series ordering table, this gasket is the replacement for all four styles of the 82 x 80 x 55 mm enclosure: RZ0256 (gray polycarbonate), RZ0256C (gray polycarbonate with clear lid), RZ0366 (beige ABS) and RZ0366C (beige ABS with clear lid). It serves the near-square 82 x 80 x 55 mm enclosures.
The gasket measures 3.07 in x 2.99 in x 0.1 in (78 mm x 76 mm x 3 mm). In the RZ design the lid is gasketed and uses a two-piece tongue and groove construction that protects against the entry of oil, dust and water, and the series is designed to meet IP65. Because the wall-mounting holes sit outside the gasket perimeter, the seal line is not crossed by the mounting hardware.
The RZ0366GASKET is RoHS and REACH compliant. When servicing the enclosure, note the series chemical resistance statement: avoid acetone, ketones, strong solvents and incompatible greases or oils on the plastic, and use only cleaners listed as plastic safe.
| Series | RZ Series – Water-Tight ABS & Polycarbonate Enclosures |
| Description | RZ0366 / RZ0256 GASKET- 2PK |
| Part Number | RZ0366GASKET |
| Product Type | Replacement gasket (2-pk) |
| Pack Quantity | 2 |
| Size (L X W X H) | 3.07 in x 2.99 in x 0.1 in (78 mm x 76 mm x 3 mm) |
| UPC | 623980524207 |
| UNSPSC | 39121301 |
| Beige ABS Enclosure | RZ0366 |
| Beige ABS W/ Clear Lid | RZ0366C |
| Enclosure Max PCB (L X W) | 73.88 mm x 71.88 mm |
| Enclosure Size (L X W X D) | 82 mm x 80 mm x 55 mm |
| Gray Polycarbonate Enclosure | RZ0256 |
| Gray Polycarbonate W/ Clear Lid | RZ0256C |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The RZ Series ordering table lists it as the replacement gasket for RZ0256, RZ0256C, RZ0366 and RZ0366C, the 82 x 80 x 55 mm enclosures.
It is a 2-pack, as stated in the part description and the series ordering table.
The listed size is 3.07 in x 2.99 in x 0.1 in (78 mm x 76 mm x 3 mm).
The RZ lid is gasketed with a two-piece tongue and groove construction that protects against the entry of oil, dust and water; the series is designed to meet IP65.
Yes, the part is listed as both RoHS compliant and REACH compliant.

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