How to Locate Repair Parts - TM-11-6665-224-20P0004

TM 11-6665-224-20P

t h o s e parts assigned the third position SMR main-

firm,

corporation,

Government

activity),

which

t e n a n c e code "C" or "O" are listed in the tabular

c o n t r o l s the design and characteristics of the item

listing; therefore, there may be a break in the item

by means of its engineering drawings, specifi-

number sequence. Only illustrations containing

cations,

standards,

and

inspection

requirements

organizational authorized items appear in this

t o identify an item or range of items.

manual.

NOTE

When a stock numbered item is req-

5. How to Locate Repair Parts

uisitioned, the repair part received may

have a different part number than the

a. When National stock number or part number

part being replaced.

is unknown.

e. Federal Supply Code

for

Manufacturer

(1) F i r s t . U s i n g t h e t a b l e o f c o n t e n t s , d e t e r -

( F S C M ) . The FSCM is a 5-digit numeric code listed

m i n e the functional group within which the item

in SB 708-42 which is used to identify the manufac-

belongs. This is necessary since illustrations are

t u r e r , distributor, or Government agency, etc.

p r e p a r e d for functional groups and listings are di-

J. Description. I n d i c a t e s t h e F e d e r a l i t e m n a m e

v i d e d into the same groups.

a n d , if required, a minimum description to identify

(2) S e c o n d . Find the illustration covering the

the item.

f u n c t i o n a l group to which the item belongs.

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

(3) Third. Identify the item on the illustration

o f the basic quantity of the listed item as used in

and note the illustration figure and item number of

performing the actual maintenance function. This

the item.

m e a s u r e is expressed by a two-character alphabet-

(4) F o u r t h . U s i n g t h e R e p a i r P a r t s L i s t i n g ,

ical abbreviation (e.g., ea, in, pr, etc). When the unit

find the figure and item number noted on the illus-

of measure differs from the unit of issue, the lowest

tration.

unit of issue that will satisfy the required units of

b. When National stock number or part number

measure will be requisitioned.

is known.

h . Quantity Incorporated in Unit. I n d i c a t e s

the

(1) F i r s t . U s i n g t h e I n d e x o f N a t i o n a l S t o c k

quantity of the item used in the breakout shown on

Numbers and Part Numbers,

find the pertinent

the illustration figure, which is prepared for a

N a t i o n a l stock number or part

number. This index

functional group, subfunctional group, or an as-

is in NIIN sequence followed by

a list of part num-

sembly.

bers in alphameric sequence,

cross-referenced to

the illustration figure number and item number.

4 . Special Information

(2) S e c o n d . After finding the figure and item

a. The following publications pertain to the AN/

n u m b e r , locate the figure and item number in the

PDR-27P and its components:

repair parts list.

TM 11-5965-247-12P, Headset, Electrical H-43B/U

TM 11-6665-224-15, Radiac Set AN/PDR-27P

6. Abbreviations

b. The illustrations in this manual are identical

Not applicable.

to those published in TM 11-6665-224-40P. Only

(Next printed page is 4.)