U-240 thru U-248
U-240s
similar to a U-240s
U-241As
*unmarked Johns_Manville's
U-241Bs
similar to a U-241B
U-242s
U-243s
similar to a U-243
similar to a U-245
U-246s
similar to a U-246A
U-248s
similar to a U-248