(6) When the item is not used with all serial numbers of the same model, the effective serial numbers
are shown on the last line(s) of the description (before UOC).
(7) The usable on code, when applicable (see paragraph 5, Special Information).
(8) In the Special Tools List section, the basis of issue (BOI) appears as the last line(s) in the entry for
each special tool, special TMDE, and other special support equipment. When density of equipments
supported exceeds density spread indicated in the basis of issue, the total authorization is increased
(9) The statement END OF FIGURE appears just below the last item description in Column 5
for a given figure in both Section II and Section Ill.
(10) The indenture, shown as dots appearing before the repair part, indicates that the item is a repair
part of the next higher assembly.
f. QTY (Column (6)) .
The QTY (quanity per figure column) indicates the quantity of the item used
in the breakout shown on the illustration figure, which is prepared for a functional group, subfunctiona
group, or an assembly. A V appearing in this column in lieu of a quantity indicates that the quantity is
variable and the quantity may vary from application to application.
4. Explanation of Columns (Section IV).
a. N A T I O N A L S T O C K N U M B E R ( N S N ) I N D E X .
( 1 ) S T O C K N U M B E R c o l u m n .
T h i s c o l u m n l i s t s t h e N S N b y N a t i o n a l i t e m i d e n t i f i c a t i o n
N S N
number (NIIN) sequence. The NIIN consists of the last nine digits of the NSN i.e. NllN (5305-01-574-1467).
N I IN
When using this column to locate an item, ignore the first 4 digits of the NSN. However, the complete
NSN should be used when ordering items by stock number.
( 2 ) F I G . c o l u m n.
T h i s c o l u m n l i s t s t h e n u m b e r o f t h e f i g u r e w h e r e t h e i t e m i s i d e n t i f i e d/
located. The figures are in numerical order in Section II and Section Ill.
( 3 ) I T E M c o l u m n .
The item number identifies the item associated with the figure listed in the
adjacent FIG. column. This item is also identified by the NSN listed on the same line.
b . P A R T N U M B E R I N D E X . P a r t n u m b e r s i n t h i s i n d e x a r e l i s t e d b y p a r t n u m b e r i n a s c e n d i ng
alphanumeric sequence (i.e., vertical arrangement of letter and number combination which places the
first letter or digit of each group in order A through Z, followed by the numbers 0 through 9 and each
following letter or digit in like order).
( 1 ) F S C M c o l u m n .
The Federal Supply Code for Manufacturer (FSCM) is a 5-digit numeric
code used to identify the manufacturer, distributor, or Government agency, etc., that supplies the item.