How to Locate Repair Parts - TM-5-4120-308-25P0049

TM 5-4120-308-25P

Indicates

the

figure

(1) F i g u r e

number.

ance list. Revisions to the range of items author-

number of the illustration in which the item is

ized will be made by the U. S. Army Mobility

shown.

Equipment Command based upon engineering ex-

(2) I t e m n u m b e r . I n d i c a t e s t h e c a l l o u t n u m -

perience, demand data, or TAERS information.

b e r used to reference the item in tile illustration.

g. Thirty-Day

DS/GS

Miantenance

Allow

ances.

4. Special Information

NOTE

a. R e p a i r p a r t s m o r t a l i t y h a s b e e n b a s e d o n

7 2 0 0 hours operation per year.

b. P a r t s w h i c h r e q u i r e m a n u f a c t u r e o r a s s e m -

(1) The allowance columns are divided into

b l y at a category higher than that authorized for

three

subcolumns.

indicated in each subcolumn,

i n s t a l l a t i o n will indicate in the source column the

o p p o s i t e the first appearance of each item, is the

total quantity of items authorized for the num-

higher

category.

to the

ber of equipments supported. Subsequent ap-

c. T h e

following

publication

pertains

p e a r a n c e s of the same item will have the letters

a i r conditioner and its components:

"REF" in the applicable allowance column. To

Operator,

Organiza-

TM 5-4120-

l o c a t e the referenced item locate the FSN or ref-

tional, Direct Sup-

308-15

erence number in the index. The earliest figure

port, General Support

and item number is the referenced item. Items

and Depot Mainte-

authorized for use as required but not for ini-

nance Manual

tial stockage are identified with an asterisk in

t h e allowance column.

d. The same Illustrations are used to illustrate

(2) The quantitative allowances for DS/GS

the repair parts and special tools listed in both

direct

levels of maintenance will

represent

initial

organizational maintenance section and

stockage for a 30-day period for the number of

and general support and depot maintenance sec-

eq U ipments

supported.

tion.

(3)

determine

allowances

when

support-

i n g more than 100 of these equipments: First, di-

5. How to Locate Repair Parts

vide the number of equipment supported by 100

a. W h e n 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

by moving the decimal two places left; second,

n u m b e r is unknown:

multiply the result by the quantity in the 51-

(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 -

100

density

column.

Example,

authorized

allow-

mine the assembly group within which the re-

ance for 51-100 equipments is 40; for 150 equip-

p a i r part belongs. This is necessary since i l l u s t r a -

m e n t s multiply 40 by 1.50 or 60 parts required.

t i o n s are prepared for assembly groups, and list-

h. One-Year Allowance Per 100 Equipments/

i n g s are divided into the same groups.

Contigency

Planning

Purposes.

Indicates

oppo-

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

site the first appearance of each item the total

the assembly group to which the repair part be-

distribution

and

contin-

quantity

required

for

longs.

gency planning purposes. The range of items in-

( 3 ) T h i r d . Identify the repair part on the il-

d i c a t e s total quantities of all authorized items re-

lustration and note the illustration figure and

quired to provide for adequate support of 100

i t e m number of the repair part.

equipments for one year. Subsequent appear-

(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 s

ances

the

same

item

will

have

the

letters

f i n d the assembly group to which the repair part

" R E F " in the allowance column.

belongs and locate the illstration figure and

Maintenance

i. Depot

Allowance

Per

100

i t e m number noted on the illstration.

Equipments. Indicates opposite the first appear-

When

Federal

stock

number

refer-

a n c e of each item the total quantity authorized for

ence

known:

depot maintenance of 100 equipments. Subse-

q u e n t appearances of the same item will have the

(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 S t o c k -

Numbers and Reference Numbers find the per-

l e t t e r s "REF" in the allowance column. Items au-

tinent Federal stock number or reference num-

thorized for use as required but not for initial

ber. This index is in ascending FSN sequence

s t o c k a g e are identified with an asterisk in the al-

f o l l o w e d by a list of reference numbers in alpha-

lowance

column.

numeric sequence, cross-referenced to the illus-

j. Illustration. This column is divided as fol-

lows:

t r a t i o n figure number and item number.