A metal frame with integral crossbars, or a fixed or movable metal sash, used to close an opening in the wall of a building or watercraft and to admit light and/or air. It may be glazed. Excludes window, marine; window, vehicular and portlight.
NSN 6240-01-252-8850
NSN 5945-01-381-1268
NSN 4140-01-077-7555
NSN 5990-01-432-0523
NSN 5999-01-193-7371
NSN 2925-01-274-8576
NSN 6650-00-585-2786
NSN 6135-01-205-5965
NSN 5895-01-519-4184
NSN 5990-00-359-9839
NSN 6130-01-306-8310
NSN 6145-00-857-6903