EXPLANATION OF COLUMNS (Continued).
Column. (4) - Unit of Measure (U/M).
Indicates the measure
used in performing the actual operational/maintenance function.
measure is expressed by a two character alphabetical abbreviation
(e.g., ea, in, pr).
Column (5) - Quality required (Qty rqr). Indicates the quan-
tity of the item authorized to be used with/on the equipment.