The 1557DGASKET is the replacement lid seal for the 120 mm square 1557D and 1557DA enclosures. Supplied as a 2-pack of black, pre-formed silicone gaskets, it lets service technicians and OEM builders renew the lid seal after years in service, after modifications, or simply keep spares on hand for field maintenance.

The 1557 Series uses a one piece gasket made from high temperature UL listed silicone within a two piece tongue and groove lid, providing protection against oil, dust and water. Per the drawing, the 1557DGASKET outline is 117.30 mm [4.62 in] by 117.30 mm [4.62 in] with a 1.80 mm [.07 in] section.

It fits all eight 120 mm enclosures in the series, in ABS and polycarbonate and at both heights:

• 45 mm tall: 1557DBK, 1557DGY, 1557D2BK, 1557D2GY
• 70 mm tall: 1557DABK, 1557DAGY, 1557DA2BK, 1557DA2GY

The part is REACH and RoHS compliant, references UL file E65324, and is packed in a bag with a shipping weight of 0.01 lbs (0.00 kg). UPC 623980986869, UNSPSC 39121301. After fitting a new gasket and refitting the four stainless steel lid screws, the enclosure drawings recommend cover screw torque of 71-85 ozf-in (50-60 cN-m).