Special Information - TM-11-5821-261-20P0005

Federal Stock Number Column. This column

N. J., 07703, for exception or revision to the allow-

indicates the Federal stock number assigned to the

ance list. Revisions to the range of items authorized

will be made by the USA ECOM .National Mainte-

item and will be used for requisitioning purposes.

c. Description Colurnn. This column indicates the

nance Point based upon engineering experience,

Federal item name and any additional description of

demand data, or TAERS information.

g. Illustration Column. This column is divided as

the item required. A part number or other reference

number is followed by the applicable five-digit Fed-

follow's:

eral supply code for manufacturers in parenthesis.

(1) Figure Number Column. Indicates the figure

d. Unit of Measure (U/M) Column. A 2-character

number of the illustration in which the item is

alphabetic abbreviation indicating the amount or

shown.

quantity of the item upon which the allowances are

(2) Item Number or Reference Designation, Col-

based, e.g., ft., ea.' pr., etc.

umn. Indicates the reference designation used to

e. Quantity lncorporated in Unit Column. This col-

reference the item in the illustration.

umn indicates the quantity of the item used in an

4. Special Information

assembly. A "V" appearing in this column in lieu of

a quantity indicates that a definite quantity cannot

The following publications pertain to the Radio Set

AN/ARC-116 and its components.

be indicated (i.e., shims, spacers, etc ).

Organizational Mainte-

f. 15-Day Organizational Maintenance Allowance

TM 11-5821-261-20

nance Manual for

Column.

Radio Set AN/ARC-

(1) The allowance columns are divided into four

116

subcolumns. Indicated in each subcolumn opposite

the first appearance of each item is the total quan-

b. Parts which require stockage, manufacture or

tity of items authorized for the number of equip-

assembly at a category of maintenance higher than

ments supported. Subsequent appearances of the

that authorized for installation will indicate in the

same item will have the letters "REF" in the allow-

source column the higher category, i.e.; MD, AF,

ance columns. Items authorized for use as required

PH, etc.

but not for initial stockage are identified with an

5. How to Locate Repair Parts

asterisk in the allowance column.

a. When Federal stock num ber or reference num-

(2) The quantitative allowances for organization-

ber is unknown:

al level of maintenance represents one initial pre-

(1) First. Find the illustration covering the item

scribed load for a 15-day period for the number of

equipments supported. Units and organizations

to which the repair part belongs.

(2) Second. Identify the repair part on the illus-

authorized additional prescribed loads will multiply

tration and note the illustration figure and refer-

the number of prescribed loads authorized by the

quantity of repair parts reflected in the density

ence designation of the repair part.

(3) Third. Refer to Reference Designation Cross-

column applicable to the number of items sup-

ported to obtain the total quantity of repair parts

Reference to Page Number Index. Locate page number

authorized.

refer to applicable page. Locate item in Item Num-

ber column. This index is in Reference Designator

(3) Organizational units providing maintenance

for more than 100 of these equipments shall deter-

order.

mine the total quantity of parts required by con-

b. When Federal stock number or reference num-

verting the equipment quantity to a decimal factor

ber is known:

(1) First. Using the Index of Federal Stock Num-

by placing a decimal point before the next to last

digit of the number to indicate hundredths, and

bers and Reference Numbers find the pertinent Fed-

multiplying the decimal factor by the parts quantity

eral stock number or reference number. This index

authorized in the 51-100 allowance column, Example,

is in ascending FSN sequence followed by a list of

authorized allowance for 51-100 equipments is 40;

reference numbers in ascending alpha-numeric se-

for 150 equipments multiply 40 by 1.50 or 60 parts

quence, cross-referenced to the illustration figure

required,

number and item number.

(2) Second. Using the reference designator, locate

(4) Subsequent changes to allowances will be

limited as follows: No change in the range of items

the page number in the reference designator to page

is authorized. If additional items are considered

number index. Follow procedure outlined in para-

necessary, recommendation should be forwarded to

graph 5a(3 ).

Commanding General, U.S. Army Electronics Com-

c. When the reference designation is known

mand, ATTN: AMSEL-ME-NMP-AC, Fort Monmouth,

( 1 ) First. Locate the reference designation in the