An item designed to distribute steam and/or air inside a boiler, for the purpose of cleaning tubes and walls.
NSN 6650-01-577-1304
NSN 4140-01-084-9429
NSN 5905-01-386-1108
NSN 5950-01-487-3750
NSN 5920-01-289-4169
NSN 6620-00-010-8190
NSN 5996-01-239-6809
NSN 5975-01-100-7414
NSN 5996-01-193-5180
NSN 5965-00-255-3889
NSN 6645-00-363-9775
NSN 6320-01-067-0474