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 6620-01-114-0841
NSN 5998-01-152-2819
NSN 5935-01-468-7209
NSN 6110-01-142-6800
NSN 5935-00-152-4104
NSN 6105-00-126-2620
NSN 6220-00-144-6462
NSN 5905-00-328-1761
NSN 6685-01-186-0401
NSN 7035-01-364-8454
NSN 5895-01-218-5745
NSN 5950-01-631-8270