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 4140-01-527-9577
NSN 5905-01-489-7053
NSN 5960-00-842-5077
NSN 6610-00-884-2824
NSN 6110-01-373-9366
NSN 5910-00-249-9467
NSN 5905-01-524-8110
NSN 5920-00-807-4252
NSN 5950-00-375-6285
NSN 6610-01-431-6867
NSN 5855-00-361-0167
NSN 6645-01-651-6119