TM 9-1220-238-14
(4) Fourth. Using the Repair Parts Listing,
basis of issue (BOI) appears as the last line in the entry
find the figure and item number noted on the illustration.
for each special tool, TMDE, and support equipment.
b.
When National Stock Number or Part
When density of equipments supported exceeds density
Number is Known:
spread indicated in the basis of issue, the total
(1) First. Using the index of National stock
authorization is Increased accordingly.
numbers and Part Number find the pertinent National
g. Unit of Measure (U/M). Indicates the
stock number or part number.
This index is in
standard of the basic quantity of the listed item as used
ascending NSN sequence followed by a list of part
in performing the actual maintenance function. This
numbers in ascending alphameric sequence, cross-
measure is expressed by a two-character alphabetical
referenced to the illustration figure number and item
abbreviation (e.g., ea, in, pr, etc). When the unit of
number.
measure differs from the unit of issue, the lowest unit of
(2) Second. After finding the figure number
Issue that will satisfy the required units of measure will
and item number, locate the figure number and item
be requisitioned.
number in the repair position.
h. Quantity Furnished with Equipment. (Basic
Issue Items Only). Indicates the quantity of the basic
issue item furnished with the equipment.
B-6. Abbreviations.
i. Quantity Authorized. (Items Troop Installed
Abbreviations
Explanation
al Enam
Aluminum enamel
or Authorized Only) Indicates the quantity of the item
aly
alloy
authorized to be used with the equipment.
andz
anodize
j. Quantity Incorporated in Unit. Indicates the
blk
black
quantity of the Item used in the breakout shown on the
btn
button
illustration figure, which is prepared for a functional
cd pld
cadmium plated
group, subfunctional group or an assembly. A "V"
cham
chamfer
appearing In this column In lieu of a quantity indicates
cp
cone point
that no special quantity is applicable (e.g. shim, spacers,
cres
corrosion resistant steel
etc).
cskh
countersunk head
dla
diameter
B-4. Special Information.
ext
external
fi
flat
To maintain disassembly sequence in this
fnsh
finish
manual, a number in parentheses will be displayed
grdtn eql
graduation equal
immediately to the right of the callout number on the
h
high
illustration.
hdl
handle
hex soc
hexagonal socket
B-5. How to Locate Repair Parts.
id
inside diameter
Intl
internal
a.
When National Stock Number or Part
I
long
Number is Unknown:
mtg
mounting
(1) First. Using the table of contents,
nf
national fine
no
number
determine the functional group or subgroup within which
ns
national special(thread)
the repair part belongs.
This is necessary since
oxd
oxide
illustrations are prepared for functional groups or
pnn
pan head
subgroups, and listings are divided into the same
pt
point
groups.
sp
special purpose
(2) Second. Find the illustration covering
stl
steel
the functional group or subgroup to which the repair part
belongs.
(3) Third. Identify the repair part on the
illustration and note the illustration figure and item
number of the repair part.
Section II. BASIC ISSUE ITEMS LIST
(1)
(2)
(3)
(4)
ILLUSTRATION
NATIONAL
DESCRIPTION
QTY
(A)
(B)
STOCK
FURN
FIG. ITEM
NUMBER
PART NUMBER & FSCM
USUABLE ON CODE
W/EQUIP
-
1220-00-351-7902
CHEST PLOTTINGBOARD AL ENAM FNSH, 43 L, 43 W, 13.5004, 4HDL
1
10548700 (19200).
B-3