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 2925-01-320-0965
NSN 6145-01-390-6466
NSN 5965-01-069-5650
NSN 6150-01-421-2543
NSN 5998-01-392-1118
NSN 5930-01-294-4787
NSN 5895-01-361-9003
NSN 6135-01-625-0765
NSN 6130-01-628-3258
NSN 7035-01-472-1999
NSN 5985-01-275-2133
NSN 6650-01-481-3618