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 5855-01-622-5992
NSN 6105-00-099-8818
NSN 5990-01-115-5859
NSN 5975-01-381-1751
NSN 2925-00-147-8150
NSN 6105-01-549-6966
NSN 5950-01-225-3352
NSN 6150-00-490-7673
NSN 6320-01-173-7950
NSN 6110-01-462-0770
NSN 5998-01-062-0394
NSN 5910-01-485-0279