c. Column (3) - National Stock Number. This is the
National stock number assigned to the item; use it to
request or requisition the item.
d. Column (4) - Description. Indicates the Federal
item name and, if required, a description to identify the
e. Column (5) - Unit of Measure (U/M). Indicates the
measure used in performing the actual maintenance
function. This measure is expressed by a two-character
alphabetical abbreviation (e.g., ea, in, pr). If the unit of
measure differs from the unit of issue, requisition the
lowest unit of issue that will satisfy your requirements.