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 5945-01-009-3733
NSN 5945-01-111-1319
NSN 6110-01-555-8243
NSN 5975-01-508-7371
NSN 6650-01-335-6669
NSN 4140-01-494-3714
NSN 5925-01-575-0193
NSN 6150-01-491-8420
NSN 7035-00-455-7666
NSN 6135-01-579-8864
NSN 5950-00-868-3302
NSN 5985-00-265-2942