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 6150-01-441-6983
NSN 5910-01-067-4551
NSN 6620-01-476-7355
NSN 5835-00-698-9824
NSN 5990-01-321-2997
NSN 5920-00-102-3792
NSN 5935-01-321-6147
NSN 6145-01-398-8811
NSN 6240-01-116-1275
NSN 6220-00-375-0473
NSN 6105-01-253-9517
NSN 5905-00-156-2982