How to Locate Repair Parts - TM-5-4320-249-140083

C-5.

How to Locate Repair Parts

W h e n Federal stock number or reference number is unknown:

(1) First.

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 l i s t i n g s a r e

divided into the same groups.

(2) Second.

Find the illustration covering the assembly

group to which the repair part belongs.

(3) Third.

Identify the repair part on the il I u s t r a t i o n

and

note

the

illustration

figure

and

item

number

of t h e r e p a i r

part.

t h e R e p a i r P a r t s L i s t i n g s , f i n d t h e a s s e m b l y group

(4) U s i n g

to which the repair part belongs and locate the illustration figure

and item number noted on the Illustration.

When Federal stock number or reference is known:

(1) First. Using the Index of Federal Stock Numbers and

Reference Numbers find the pertinent Federal stock number or

reference number. This index is in ascending FSN sequence Followed

by a list of reference numbers in alpha-numeric sequence, cross-

-referenced

the

iIIustration

figure

number

and

item

number.

Using the Repair Parts Listing, find the assembly

(2) Second.

group of the repair part and the illustration Figure number and item

number referenced in the Index of Federal Stock Numbers and Reference

Numbers.

c . W h e n t h e F e d e r a l s t o c k n u m b e r o r r e f e r e n c e number is known

and-the repair part is not ilIustrated:

( 1 ) F i r s t . U s i n g t h e I n d e x o f F e d e r a l Stock Numbers and

s t o c k number or

Reference Numbers, find the pertinent Federal

reference number in the section titled I terns not I Illustrated and

note the group number. This section is in ascending FSN sequence

followed by a list of reference numbers in alpha-numeric sequence,

cross-referenced to assembly group number.

Using the Table of Contents, locate the assembly

(2) Second.

group number and page number.

C-7