TM5-6130-301-13&P
f. Quantity Incorporated in Unit. This column indicates the quantity of the item used in the assembly group.
A "V" appearing in this column in lieu of a quantity indicates that a definite quantity cannot be indicated (e.g.,
shims, spacers, etc.)
g. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number of the illustration in which the item is shown.
(2) Item number. Indicates the callout number used to reference the item in the illustration.
C-4. SPECIAL INFORMATION.
a. Repair parts mortality has been based on 2,000 hours of operation per year,
b. Parts which require manufacture or assembly at a category higher than that authorized for installation will
indicate in the source column the higher category.
c. Action change codes indicated in the left-hand margin of the listing page denote the following:
N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indicates an added item note
included in previous publications.
F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Indicates a change in NSN only.
C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Indicates a change in data.
.
C-5. HOW TO LOCATE REPAIR PARTS.
a. When National Stock Number or Reference Number is Unknown.
(1) Using the Table of Contents, determine the assembly group within which the repair part belongs. This
is necessary since illustrations are prepared for assembly groups and listings are divided into the same
groups.
(2) Find the illustration covering the assembly group to which the repair part belongs.
(3) Identify the repair part on the illustration and note the illustration figure and item number of the
repair part.
(4) Using the Repair Parts Listing, find the assembly to which the repair part belongs and locate the
illustration figure and item number noted on the illustration.
b. When National Stock Number or Reference Number is Known.
(1) Using the Index of National Stock Numbers and Reference Numbers, find the pertinent National
Stock Number or Reference Number. This index is in ascending NSN sequence followed by a list of
Reference Numbers in alpha-numeric sequence, cross-referenced to the illustration figure number and
the item number.
(2) Using the Repair Part Listing, find the assembly group of the repair part and the illustration figure
number and item number referenced in the Index of National Stock Numbers and Reference Numbers.
c. When the National Stock Number or Reference Number is Known and the Repair Parts is not Illustrated.
(1) Using the Index of National Stock Numbers and Reference Numbers, find the pertinent National
Stock Number or Reference Number in the section titled Items not Illustrated and note the group
number. This section of the index is in ascending NSN sequence followed by a list of Reference
Numbers in alpha-numeric sequence, cross-referenced to assembly group number.
C-4
