How to Locate Repair Parts. - TM-9-4931-583-30-P0046

TM 9-4931-583-30&P

g. Unit of Measure (U/M). I n d i c a t e s t h e

Description

Code

standard of the basic quantity of the listed items as

Nonreparable item. When unserviceable,

u s e d in performing the actual maintenance

condemn and dispose at the level

function. This measure is expressed by a two-

indicated in position 3.

character alphabetical abbreviation (e.g., ea. in.

pr. etc.). When the unit of measure differs from the

Reparable item. When uneconomically

unit of issue, the lowest unit of issue that will

r e p a r a b l e , condemn and dispose at

satisfy the required units of measure will be

aviation unit level.

requisitioned.

h. Quantity Incorporated in Unit. Indicates

Reparable item. When uneconomically

the quantity of the item used in the breakout

r e p a r a b l e , condemn and dispose at

shown on the illustration figure, which is prepared

aviation intermediate level.

for a functional group, subfunctional group, or an

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

Reparable item. When beyond lower level

of a quantity indicates that no specific quantity is

r e p a i r c a p a b i l i t y , return to depot.

applicable, (e.g., shims, spacers, etc.).

Condemnation and disposal not

authorized below depot level.

4. How to Locate Repair Parts.

Item requires special handling or

c o n d e m n a t i o n procedures because of

a. When National Stock Number or Part Number

specific reasons (i.e., precious metal

content, high dollar value, critical or

is Unknown.

hazardous material). Refer to appropriate

manuals directives for specific

(1) First. Using the table of contents,

instructions.

determine the functional group within which the

r e p a i r part belongs. This is necessary since

i l l u s t r a t i o n s are prepared for functional groups

c. National Stock Number. Indicates the

and listings are divided into the same groups.

National stock number assigned to the item and

will be used for requisitioning purposes.

(2) Second. Find the illustration covering the

functional group to which the repair part belongs.

d. Federal Supply Code for Manufctcturer

(FSCM). The FSCM is a 5-digit numeric code listed in

(3) Third. Identify the repair part on the

SB 708-42 which is used to identify the manufacturer,

illustration and note the illustration figure and

distributor, or Government agency, etc.

item number of the repair part.

(4) Fourth. Using the repair parts list, find

the assembly or subassembly to which the repair

NOTE

part belongs and locate the illustration figure and

item number noted on the illustration.

When a stock numbered item is

requisitioned, the repair part received

b. When National Stock Number or Part

may have a different part number than

Number is Known.

the part being replaced.

(1) First. Using the index of National stock

e. Part Number. Indicates the primary number

numbers and part numbers, find the pertinent

used by the manufacturer (individual, company, iirm,

National stock number or part number. This index

corporation, or Government activity), which controls

is in ascending NIIN sequence, followed by a list of

the design and characteristics of the item by means of

p a r t n u m b e r s i n a s c e n d i n g alphanumeric

its engineering drawings, specifications, standards,

s e q u e n c e (e.g. MS will precede M1) cross-

and inspection requirements, to identify an item or

referenced to the illustration figure number and

range of items.

item number.

(2) Second. After finding the figure and item

f. Description. Indicates the Federal item name

number, locate and figure and item number in the

and, if required, a minimum description to identify

repair parts list.

the items.

C-3