Material is steel, mil-t-20157, type d; surface treatment is calorized
An item designed to distribute steam and/or air inside a boiler, for the purpose of cleaning tubes and walls.
NSN 2925-01-359-4027
NSN 4140-00-113-8215
NSN 6240-01-254-7599
NSN 5915-01-043-9295
NSN 5965-00-682-3567
NSN 6130-00-209-6716
NSN 6135-01-542-5902
NSN 5920-01-087-6073
NSN 5999-01-494-6380
NSN 6620-00-946-8060
NSN 4140-01-186-6453
NSN 5915-00-985-5053