TM 3-4310-100-20 & P
column. Uncoded items are applicable to all models.
(3) Third. Identify -the item on the illustration
Identification of the usable codes used in this publication
and note the illustration figure and item number of the
are:
item.
Code
Used On
(4) Fourth. Using the Repair Parts Listing,
A---3/2 End Item Code AN-M4D
find the figure and item number noted on the illustration.
B---237 & 239 End Item Code AN-M4B & C
b. When National Stock Number or Part
C---317 End Item Code
Number Is Known:
b. The illustrations in this manual are identical to
(1) First. Using the Index of National Stock
those published in 34P. Only those parts assigned the
Numbers and Part Numbers, find the pertinent National
third position SMR maintenance code "C" or "O" are
stock number or part number. This index is in NIIN
listed in the tabular listing; therefore, there may be a
sequence followed by a list of part numbers in
break in the item number sequence. Only illustrations
alphameric sequence, cross-referenced to the illustration
containing organizational authorized items appear in this
figure number and item number.
manual.
(2) Second. After finding the figure and item
number. locate the figure and item number in the repair
C-5. How To Locate Repair Parts.
parts list.
a. When National Stock Number or Part
Number Is Unknown:
C-6. Abbreviations
(1) First.
Using the table of contents,
Abbreviations
Explanations
determine the functional group within which the item
Cres
Corrosive Resisting Steel
belongs.
This is necessary since illustrations are
Dia
Diameter
prepared for functional groups and listings are divided
OD
Outside Diameter
into the same groups.
ID
Inside Diameter
(2) Second. Find the illustration covering the
functional group to which the item belongs.
C-3
