How to Locate Repair Parts. - TM-55-1730-208-130043

TM 55-1730-208-13

(2) The

quantitative

allowances

for

the number to indicate hundredths, and multiplying the

organizational level of maintenance represents one

decimal factor by the parts quantity authorized

initial prescribed load for a 15-day period for the number

allowance for 51-100 allowance column. Example:

of equipments supported. Units and organizations

authorized allowance for 51-100 equipments is 40; for

authorized additional prescribed loads will multiply the

150 equipments, multiply 40 by 1.50, or 60 parts

number of prescribed loads authorized by the quantity of

required.

repair parts reflected in the density column applicable to

(4) The basis of issue for authorized special

the number of items supported to obtain the total

tools, test and support equipment is the number of end

quantity of repair parts authorized.

items of equipment supported.

(3) The basis of issue for authorized special

h. One-year Allowance per 100 Equipments /

tools, test and support equipment is the number 'of end

Contingency Planning Purposes. Indicates opposite the

items of equipment supported.

first appearance of each item, the total quantity required

(4) Organizational

units

providing

for distribution and contingency planning purposes. The

maintenance for more than 100 of these equipments

range of items indicates total quantities of all authorized

shall determine the total quantity of parts required by

items required to provide for adequate support of 100

converting the equipment quantity to a decimal factor by

equipments for one year.

placing a decimal point before the next to the last digit

i. Illustration. Illustrations appear in the narrative

of the number to indicate hundredths, and multiplying

portion of this manual. This column is divided as

the decimal factor by the parts quantity authorized in the

follows:

51-100 allowance column.

Example; authorized

(1) Figure number.

Indicates the figure

allowance for 51-100 equipments is 40; for 150

number of the illustration in which the item is shown.

equipments, multiply 40 by 1.50, or 60 parts required.

Appearances of the letters "MS" in this column indicate

(5) Subsequent changes to allowances will be

maintenance supplies located in section V.

limited as follows: No change in the range of items is

(2) Item number.

Indicates the callout

authorized.

If additional items are considered

number to reference the item in the illustration.

necessary, recommendations should be forwarded to

Commanding General, U. S. Army Aviation Systems

C-4. How to Locate Repair Parts.

Command, P. O. Box 209, St. Louis, Missouri 63166,

a. When Federal Stock Number or Reference

for exception or revision to the allowance list. Revisions

Number is Unknown:

to the range of items authorized will be made by

(1) First.

Find

the

exploded

view

USAAVSCOM based upon engineering experience,

illustration of the assembly or subassembly to which the

demand data, or TAMMS information.

repair part belongs.

g. Thirty-day DS Maintenance Allowance.

(2) Second. Identify the repair part on the

(1) The allowance column is divided into

illustration and note the illustration figure and item

three subcolumns.

Indicated in each subcolumn,

number of the repair part.

opposite the first appearance of each item, is the total

(3) Third. Using the repair parts listing, find

quantity of items authorized for the number of

the figure and item number listed in the illustration

equipments supported. Subsequent appearances of the

column.

same item will have the letters "REF" in this column.

b. When Federal Stock Number or Reference

Items authorized for use as required but not for initial

Number is Known:

stockage are identified with an asterisk * in the

(1) First. Using the index of Federal stock

allowance column.

numbers and reference numbers, find the pertinent

(2) The quantitative allowance for DS level of

Federal stock number or reference number. This index

maintenance will represent initial stockage for a 30-day

is in ascending Federal stock number sequence,

period for the number of equipments supported.

followed by a list of reference numbers in ascending

(3) Determination of the total quantity of parts

alpha-numerical sequence, cross-referenced to the

required for maintenance of more than 100 TM 55-

illustration figure and item number.

1730-208-13 of these equipments can be accomplished

(2) Second. Using the repair parts listing,

by converting the equipment quantity to a decimal factor

find the figure and item number listed in the illustration

by placing a decimal point before the next to last digit of

column referenced in the index of Federal stock

numbers and reference numbers.

C-3