c. Column 3, National Stock Number. This is the
S c o p e . This appendix lists expendable supplies
National stock number assigned to the item;
use it to
and materials you will need to operate and maintain the air
request or requisition the item.
data subsystem. These Items are authorized to you by CTA
50-970, Expendable Items (Except Medical, Class V, Repair
Parts, and Heraldic Items).
d. C o l u m n 4 , D e s c r i p t i o n . Indicates the Federal
Explanation of Columns
n a m e and, if required, a description to identify the item.
a. C o l u m n
Number. This number is
assigned to the entry in the listing and is referenced in the
(FSCM) in parentheses, if applicable.
c l e a n i n g compound, item 5, App. F´).
e. C o l u m n 5 , U n i t o f M e a s u r e ( U / M ) . I n d i c a t e s
b. C o l u m n 2 , L e v e l . This
l o w e s t level of maintenance that requires the listed item.
function. This measure is expressed by a two-character
C - Operator/Crew
alphabetical abbreviation (eg ea, in, pr). If the unit of
O - Aviation Unit Maintenance
F - Aviation Intermediate Maintenance
lowest unit of issue that will satisfy your requirements.