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 5999-00-553-3946
NSN 5925-00-280-0418
NSN 6240-01-656-8571
NSN 6105-01-198-2642
NSN 6320-01-115-4404
NSN 6145-01-383-9148
NSN 5930-01-451-4738
NSN 5965-00-458-7321
NSN 6130-01-169-4288
NSN 4140-01-468-5434
NSN 5930-00-059-4990
NSN 6145-00-301-9124