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 5985-00-017-8723
NSN 5910-01-301-4084
NSN 6650-01-397-1925
NSN 5996-01-168-9762
NSN 2925-01-027-1293
NSN 5999-01-071-2309
NSN 5895-00-959-2284
NSN 5920-01-633-2135
NSN 6645-00-796-7206
NSN 5925-01-189-4083
NSN 5935-01-224-7039
NSN 5950-00-039-7698