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 5965-01-502-7006
NSN 6240-01-039-8217
NSN 5996-01-633-7979
NSN 4140-01-481-9191
NSN 6650-01-327-9403
NSN 6220-01-534-2782
NSN 5996-01-624-1409
NSN 5998-01-236-6366
NSN 2925-01-415-2140
NSN 5910-01-449-2271
NSN 6135-01-092-4734
NSN 5930-01-628-1219