An item designed to distribute steam and/or air inside a boiler, for the purpose of cleaning tubes and walls.
NSN 5998-01-345-1838
NSN 6645-01-424-1540
NSN 5960-01-177-0338
NSN 7035-00-941-4949
NSN 5990-00-521-2980
NSN 6320-01-512-2031
NSN 6135-01-210-8715
NSN 5965-00-959-8162
NSN 6110-00-353-0139
NSN 5905-01-542-7264
NSN 5920-00-683-5517
NSN 6105-01-634-0322