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 5835-01-009-2417
NSN 5975-01-633-1630
NSN 4140-01-514-1897
NSN 5998-01-505-5981
NSN 5990-01-073-4782
NSN 6220-01-546-0916
NSN 5925-01-310-1312
NSN 5895-01-256-0348
NSN 5990-01-503-0194
NSN 6645-01-089-6459
NSN 6645-01-331-5674
NSN 5996-00-841-5534