This is a Honeywell Case Top, specifically part number 280454-003. It features button tabs for easy access and is designated as NCNR (Non-Cancelable, Non-Returnable), indicating its custom or specialized nature. This component is part of the OC-2 product line, suggesting its integration within a larger system or application.
280454-003 - Honeywell NCNR, CASE TOP, BUTTON TABS, OC-2