MIL-C-23218 Revision C, November 13, 1985
CONVEYOR, VERTICAL, TRAY, 100-POUND PACKAGE TRAY CAPACITY
The conveyors are to be used in the following applications:
Class 100A - for all new construction of U.S. Navy ships and for replacement of existing 100-pound and 175-pound vertical conveyors (frame or integral trunk type). Class 100B - for replacement of existing 85-pound vertical conveyors (frame or integral trunk type). Class 100C - for replacement of existing 85 or 100-pound vertical conveyors (frame type).