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 5996-01-164-4871
NSN 5855-00-821-7512
NSN 5895-00-001-7072
NSN 5855-00-791-5000
NSN 6150-00-683-0621
NSN 6150-01-068-2356
NSN 5975-00-327-8586
NSN 6240-01-295-6483
NSN 5999-00-818-3060
NSN 6320-01-516-3836
NSN 5965-01-559-9676
NSN 5925-01-352-8905