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 5930-00-211-2651
NSN 6685-00-584-7375
NSN 5920-01-399-8740
NSN 6685-01-170-4926
NSN 6650-01-024-7903
NSN 2925-01-054-3190
NSN 6130-01-585-0852
NSN 6320-01-538-6737
NSN 5920-01-023-0040
NSN 5935-01-233-3763
NSN 5996-01-129-9494
NSN 5855-01-349-6135