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 6320-00-242-3300
NSN 5990-00-808-2184
NSN 6685-00-596-8765
NSN 5998-00-170-6756
NSN 5855-01-152-5849
NSN 6135-01-167-7604
NSN 5855-00-610-4052
NSN 5985-01-056-5179
NSN 6110-00-350-1411
NSN 6145-01-362-8000
NSN 4140-01-261-2966
NSN 6320-01-585-8468