Each bt has a flip-top cap
Classification: Diagnostic or lab reagents on a backing, prepared diag/lab reagents whether or not on a backing, not of heading 3002 or 3006; certified ref materials
NSN 5945-01-446-7929
NSN 5975-01-332-4749
NSN 5950-00-542-0627
NSN 6105-01-183-7454
NSN 5855-01-562-2135
NSN 6620-01-072-0839
NSN 5855-01-373-7538
NSN 6620-01-346-9340
NSN 5965-01-197-6924
NSN 5975-01-545-7750
NSN 5895-00-841-1745
NSN 5945-00-396-3211