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 5990-01-643-4167
NSN 5835-01-095-4400
NSN 5960-00-133-9234
NSN 5855-00-256-5562
NSN 5925-01-080-5755
NSN 5905-01-286-7049
NSN 7035-01-244-9179
NSN 4140-00-078-9357
NSN 5895-01-423-7268
NSN 6130-01-440-9295
NSN 5910-00-900-4436
NSN 5910-01-099-6531