Bomar Extruded NIBO Hatch N1039-10A Low Profile Square Hatch. This hatch is constructed of anodized aluminum for rugged durability and has a high-impact acrylic lens. Design features include quick-acting tie-down dogs and lockable vent position. Spare parts available on request.
Opening dimensions: 19 1/16" x 19 1/16" (484mm)
Outside Dimensions: 21 13/16" x 21 13/16" (554mm)
Outside Lid Dimesions: 22 5/8" x 22 5/8" (575mm)
Cut Out Size: 20 3/16" x 20 3/16" (513mm)
Height Deck to Lid: 15/16" (24mm)
OD Radius: 2 7/8" (73mm)
Cutout Radius: 1 11/16" (43mm)
For A-series hatch allow 1/2" (13mm) clearance for external hinge
Weight 15 pounds.