A barrier including frame and still used wherever watertight or airtight construction is required. May also be used where local conditions require construction which is nontight. Excludes hatch,marine.
Classification: Doors, windows and frames and thresholds for doors of iron or steel
NSN 6130-01-165-9419
NSN 5985-01-469-6959
NSN 5998-00-023-8968
NSN 5925-01-238-4607
NSN 5975-01-077-5525
NSN 6135-01-087-7895
NSN 5910-01-590-9704
NSN 5965-01-482-3119
NSN 6610-00-243-7025
NSN 5999-01-169-9253
NSN 5855-01-580-1520
NSN 5999-00-158-5118