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 5999-01-362-5379
NSN 5925-01-185-9897
NSN 5950-01-234-5711
NSN 5996-00-165-5027
NSN 5950-01-537-1110
NSN 6150-00-412-0238
NSN 2925-00-338-4667
NSN 6240-00-504-6583
NSN 5895-01-269-1065
NSN 5975-01-061-9232
NSN 6320-01-177-3192
NSN 6645-00-627-1501