National Item Identification Number
National Stock Number
Federal Supply Class
A rigid metallic item of various shapes specifically designed to cover an ingress or egress opening of a vehicular hull, turret, or the like. It may be armor plated. It may be either hinged or of a drop type and may have a quick release or other type latching device. Excludes COVER, ACCESS and DOOR, METAL, SWINGING. See also HATCH, MARINE.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
30.000 INCHES NOMINAL
23.500 INCHES NOMINAL