T M 9 - 2 5 2 0 - 2 3 4 - 3 4P
(3) Items that are included in kits and sets are listed below the name of the kit or set.
( 4 ) S p a r e / r e p a i r p a r t s t h a t m a k e u p a n a s s e m b l e d i t e m a r e l i s t e d i m m e d i a t e ly
f o l l o w i n g t h e a s s e m b l e d i t e m l i n e e n t r y .
(5) Part numbers for bulk materials are referenced in this column in the line item
e n t r y f o r t h e i t e m t o b e m a n u f a c t u r e d / f a b r i c a t e d.
(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 ) T h e u s a b l e o n c o d e , w h e n a p p l i c a b l e ( s e e p a r a g r a p h 5 , S p e c i a l I n f o r m a t i o n ).
(8) In the Special Tool List section, the basis of issue (BOI) appears as the last line(s)
i n t h e e n t r y f o r e a c h s p e c i a l t o o l , s p e c i a l T M D E , a n d o t h e r s p e c i a l s u p p o r t e q u i p m e n t . W h en
density of equipment supported exceeds density spread indicated in the basis of issue, the total
a u t h o r i z a t i o n i s i n c r e a s e d p r o p o r t i o n a t e l y.
( 9 ) T h e s t a t e m e n t E N D O F F I G U R E a p p e a r s j u s t b e l o w t h e l a s t i t e m d e s c r i p t i o n in
Column 5 for a given figure in both Section II and Section III.
f . Q T Y [ C o l u m n ( 6 ) ] . T h e Q T Y ( q u a n t i t y p e r f i g u r e c o l u m n ) i n d i c a t e s t h e q u a n t i t y o f t h e
item used in the breakout shown on the illustration figure, which is prepared for a functional
group, subfunctional 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.
E x p l a n a t i o n o f C o l u m n s ( S e c t i o n I V ).
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-
tification Number (NIIN) sequence. The NIIN consists of the last nine digits of the NSN
N SN
( i . e . , 5 3 0 5 - 0 1 - 6 7 4 - 1 4 6 7 ) . When using this column to locate an item, ignore the first 4 digits
NIIN
o f t h e N S N . H o w e v e r , t h e c o m p l e t e N S N s h o u l d b e u s e d w h e n o r d e r i n g i t e m s b y s t o c k n u m b e r.
( 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 is
identified/located. The figures are in numerical order in Section II and Section III.
( 3 ) I T E M c o l u m n . T h e i t e m n u m b e r i d e n t i f i e s t h e i t e m a s s o c i a t e d w i t h t h e f i g u re
listed in the adjacent FIG. column. This item is also identified by the NSN listed on the same
l i n e.
b. Part Number Index. Part numbers in this index are listed by part number in ascending
a l p h a n u m e r i c s e q u e n c e ( i . e . , v e r t i c a l a r r a n g e m e n t o f l e t t e r a n d n u m b e r c o m b i n a t i o n w h i ch
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 ) C A G E C c o l u m n . T h e C o m m e r c i a l a n d G o v e r n m e n t E n t i t y C o d e ( C A G E C ) i s a
5 - d i g i t n u m e r i c c o d e u s e d t o i d e n t i f y t h e m a n u f a c t u r e r , d i s t r i b u t o r , o r G o v e r n m e n t a g e n c y ,
e t c . , t h a t s u p p l i e s t h e i t e m.
6
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