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 6650-01-030-5545
NSN 5985-01-472-2955
NSN 6610-01-019-5827
NSN 6150-01-425-6009
NSN 6150-00-431-8934
NSN 5855-01-600-0486
NSN 6105-01-381-0411
NSN 5855-01-088-8700
NSN 5910-01-556-9689
NSN 5998-01-383-0153
NSN 6110-01-615-0974
NSN 6145-00-959-5897