How to Locate Repair Parts

TM 11-5820-467-24P

(1) First. Using the table of contents, determine

e. Federal Supply Code for Manufacturer (FSCM).

the functional group within which the item belongs.

The FSCM is a 5-digit numeric code listed in SB 708-42

This is necessary since illustrations are prepared for

which is used to identify the manufacturer, distributor,

functional groups and listings are divided into the

or Government agency, etc.

same groups.

f. Description. Indicates the Federal item name and,

(2) Second. Find the illustration covering the func

if required, a minimum description to identify the item.

tional group to which the item belongs..

g. Unit of Measure (U/M). Indicates the standard of

the basic quantity of the listed item as used in perform-

(3) Third. Identify the item on the illustration and

ing the actual maintenance function. This measure is

note the illustration figure and item number of the

expressed by a two-character alphabetical abbrevia-

item.

tion (e.g., ea, in, pr, etc). When the unit of measure

(4) Fourth. Using the Repair Parts Listing, find

differs from the unit of issue, the lowest unit of issue

the figure and item number noted on the illustration.

that will satisfy the required units of measure will be

b. When National stock number or part number is

requisitioned.

known.

h. Quantity Incorporated in Unit. Indicates the

(1) First. Using the Index of National Stock Num-

quantity of the item used in the breakout shown on the

bers and Part Numbers, find the pertinent National

illustration figure, which is prepared for a functional

stock number or part number. This index is in NIIN se-

group, subfunctional group, or an assembly.

quence followed by a list of part numbers in

alphameric sequence, cross-referenced to the illustra-

4. Special Information

tion figure number and item number.

The following publication pertains to the AN/GRA-50

(2) Second. After finding the figure and item num-

and its components TM 11-5820-467-15, Antenna Group

ber, locate the figure and item number in the repair

AN/GRA-50.

parts list.

5. How to Locate Repair Parts

6. Abbreviations

a. When National stock number or part number is

Not applicable.

unknown.

(Next printed page is 4)