An item of rigid material designed to cover a crucible, ignition, laboratory, it may have a handle-lifting device, or opening for delivery tube.
NSN 5855-00-110-9341
NSN 5925-01-622-7879
NSN 6240-01-261-2861
NSN 5999-01-533-1335
NSN 5965-00-187-5523
NSN 5915-00-603-5719
NSN 5895-00-823-9473
NSN 6685-01-119-1579
NSN 6650-01-335-6669
NSN 5935-01-380-0952
NSN 6105-00-902-0998
NSN 5998-01-436-0718