Weapon system essential
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 7035-00-059-7970
NSN 5905-00-737-4962
NSN 6150-00-273-1155
NSN 5990-00-730-4366
NSN 5950-01-506-1801
NSN 6105-00-158-6853
NSN 6610-00-633-4338
NSN 6645-00-079-1430
NSN 6145-01-560-4712
NSN 5990-00-140-4559
NSN 5998-00-110-4272
NSN 6135-00-110-1981