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 5895-01-544-8302
NSN 4140-00-273-9884
NSN 6220-01-398-1406
NSN 2925-00-630-9154
NSN 5935-01-029-5060
NSN 2925-00-069-9588
NSN 5895-00-351-7463
NSN 5895-01-335-1407
NSN 5905-01-107-9554
NSN 6145-00-825-2657
NSN 6130-00-365-4572
NSN 5960-00-171-9575