(5) Unit of issue. The unit of issue is each
A4-2. Parts for Maintenance
u n l e s s otherwise indicated and is the
When this equipment is used by signal serv-
s u p p l y term by which the individual
i c e organizations organic to theater headquar-
item is counted for procurement, stor-
ters or communication zones to provide theater
a g e , requisitioning, allowances, and
c o m m u n i c a t i o n s , those repair parts author-
i z e d up to and including general support are
(6) Expendability. N o n e x p e n d a b l e i t e m s
a u t h o r i z e d for stockage by the organization
are indicated by NX. Expendable
operating this equipment.
items are not annotated.
(7) Quantity incorporated in unit. T h i s
a. The allowance factors are based on 1 0 0
column lists the quantity of each part
found in a given assembly component,
e q u i p m e n t s . In order to determine the num-
b e r of parts authorized for initial stockage
f o r the specific number of equipments sup-
( 8 ) Organizational An asterisk (*) indi-
p o r t e d , the following formula will be used
c a t e s that an item is not authorized
and carried out to two decimal places.
f o r stockage but if required, may be
Specific number of equipments supported x
requisitioned for immediate use only.
a l l o w a n c e factor =
(9) Direct support. No parts
N u m b e r of parts authorized for initial
(10) General support. The numbers in this
c o l u m n indicate quantities of repair
b. Fractional values obtained from above
p a r t s authorized for initial stockage
c o m p u t a t i o n will be rounded to whole num-
f o r use in general support mainte-
bers as follows:
n a n c e . The quantities are based on
1 0 0 equipment to be maintained for
( 1 ) When the total number of parts au-
a 15-day period.
thorized is less than 0.5, the quantity
authorized will be zero.
( 1 1 ) Depot. The numbers in this column
indicate quantities of repair parts
(2) When the total number of parts
authorized for depot maintenance and
authorized is between 0.5 and 1.0, the
f o r initial stockage for maintenance,
quantity authorized will be one.
and for supply support to lower cate-
( 3 ) For all values above one, fractional
g o r i e s . The entries are based on the
v a l u e s below 0.5 will revert to the
q u a n t i t y required for rebuild of 100
n e x t lower whole number and frac-
(12) Ihstmtion. The "Item No." column
advance to the next higher whole
l i s t s the reference designations that
appear on the part in the equipment.
c . The quantities determined in accordance
Three same designations are also used
with the above computation represent the
on any illustrations of the equipment.
initial stockage for a, 15-day period.