Explanation of Columns. - TM-55-4920-335-24P0006

TM 55-4920-335-24P

f. Fifteen-Day Organizational Maintenance

Allowances.

The allowance column is divided into four

subcolumns. Indicated in each subcolumn

opposite the first appearance of each item

is the total quantity of items authorized for

the number of equipments supported.

Subsequent appearances of the same item

will have the letters " R E F " i n t h e

allowance columns. Items authorized for

use as required, but not for initial stockage

are identified with an asterisk (*) in the

allowance column.

The quantitative allowances for organi-

zational level of maintenance represents

one initial prescribed load for a 15-day

period for the number of equipments

supported. Units and organizations

a u t h o r i z e d additional prescribed loads,

will multiply the n umber of prescribed

loads authorized by the quantity of repair

p arts reflected in the density column

applicable to the number of items sup-

p o r t e d to obtain the total quantity of

repair parts authorized.

Organizational

units

providing

main-

tenance for more than 100 of these

equipments, s h a l l determine the total

quantity o f r e p a i r p a r t s r e q u i r e d b y

b. Federal Stock Number. Indicates the federal

converting the equipment quantity to a

stock number assigned to the item and will be used

decimal factor by the parts quantity

for requisitioning purposes. Items source coded A,

a u t h o r i z e d in the 5 1 - 1 0 0 a l l o w a n c e

M, X1, or X2 are not assigned a federal stock

c o l u m n . Example: authorized allowance

number.

for 51-100 equipments is 12; for 140

c. Description. Indicates the federal item name

equipments multiply 12 by 1.40 or 16.80

a n d any description of the item required. The

rounded off to 17 parts required.

d e s c r i p t i o n column contains the following sub-

Subsequent changes to allowances will be

columns.

limited as follows. No change in the range

(1) R e f e r e n c e N u m b e r a n d M a n u f a c t u r e r ' s

of items is authorized. If additional items

Code. Indicates a part number on other

recom-

are

considered

necessary,

reference number for the listed item

mendations should be forwarded to the

followed by by the a p p l i c a b l e five-digit

C o m m a n d i n g G e n e r a l U . S . A r m y-

federal supply code for manufacturers.

Aviation Systems Command (USAAV-

(2) Usable on Code. Not applicable.

SCOM) P.O. Box 209, St. Louis MO

d. Unit of Measure (U/M). A two-character

63166, for exception or revision to the

alphabetical abbreviation indicating the amount or

allowance list. Revisions to the range of

quantity of the item upon which the allowances are

will

made

items authorized

based e.g.. E A , F T . P R .

USAAVSCOM

based

upon

engineering

e. Quantity Incorporated in Unit. This column

e x p e r i e n c e , demand data or The Army

indicates quantities required for one assembly only,

System

Maintenance

Management

including instances when similar assemblies are

(TAMMS)

information.

b r o k e n down together. A "V" appearing in this

g. Thirty-Day D S / G S M a i n t e n a n c e

column in lieu of a quantity indicates that a definite

Allowances.

quantity cannot be indicated (e.g., shims. spacers)

(1) The allowance column is divided into

When parts are shown as attaching two or more

three s u b c o l u m n s . I n d i c a t e d i n e a c h

i t e m s , the quantities of these parts are those

subcolumn, opposite the first appearance

necessary to attach only one of the items.