A flat piece of fireproof material with a hole in the center designed primarily to expose only the specified area of a flask bottom to the heat source used in distillation tests. The center hole may have a bevel recess at the top.
Classification: Other instruments and appliances used in medical, surgical, dental or veterinary sciences, nesoi
NSN 6240-01-555-0265
NSN 5965-00-225-1848
NSN 5915-00-652-9095
NSN 6145-00-663-6133
NSN 7035-01-202-8699
NSN 6320-01-084-7456
NSN 6620-01-484-4153
NSN 5945-01-647-3839
NSN 6220-01-516-1292
NSN 5910-01-464-9014
NSN 5935-00-564-5434
NSN 5996-01-250-2814