How to Locate Repair Parts

TM 11-6625-599-20P-1

4 0 Special

Information,

(3) Recoverability code. Recoverability codes

are assigned to support items to indicate the dis-

a. The following publication pertains to the

position action on unserviceable items. The recov-

AN/USM98A and its components:

erability code is entered in the fifth position of the

Uniform SMR Code format as follows:

TM 116625-599-12, Voltmeters, Electronic AN/

USM98A, and AN/USM-98B.

Recoverabilty

codes

Definition

b. The illustrations in this manual are identical

Z--Nonreparable item. When unserviceable, con-

t o those published in TM 116625599-40P-1.

demn and dispose at the level indicated in

Only those parts assigned the third position SMR

position 3.

m a i n t e n a n c e code "C" or "O" are listed in the

t a b u l a r listing; therefore, there may be a break

c. National Stock Number. Indicates the Na-

i n the item number sequence. Only illustrations

tional stock number assigned to the item and will

containing organizational authorized items appear

be used for requisitioning purposes.

in this manual.

d. Part Number. Indicates the primary number

u s e d by the manufacturer (individual, company,

5. How to Locate Repair Parts

firm, corporation, or Government activity), which

a. When National stock number or part number

controls the design and characteristics of the item

is unknown.

by means of its engineering drawings, specifica-

t i o n s , standards, and inspection requirements to

(1) First. Using the table of contents, deter-

identify an item or range of items.

mine the functional group within which the item

belongs. This is necessary since illustrations are

NOTE

p r e p a r e d for functional groups and listings are

divided into the same groups.

When a stock numbered item is requisi-

tioned, the repair part received may have

(2) S e c o n d . Find the illustration covering

a different part number than the part

the functional group to which the item belongs.

being replaced.

(3) Third. Identify the item on the illustra-

tion and note the illustration figure and item num-

e. Federal Supply Code for Manufacturer

ber of the item.

( F S C M ) . The FSCM is a 5-digit numeric code

l i s t e d in SB 708-42 which is used to identify

(4) Fourth. Using the Repair Parts Listing,

the manufacturer, distributor, or Government

f i n d the figure and item number noted on the

agency, etc.

illustration.

f. Description. Indicates the Federal item name

and, if required, a minimum description to iden-

b. When National stock number or part number

tify the item.

is known.

g. Unit of Measure (U/M). Indicates the

(1) First. Using the Index of National Stock

standard of the basic quantity of the listed item as

N u m b e r s and Part Numbers, find the pertinent

used in performing the actual maintenance func-

National stock number or part number. This index

tion. This measure is expressed by a two-character

is in NIIN sequence followed by a list of part num-

a l p h a b e t i c a l abbreviation (e.g., ea, in, pr, etc).

bers in alphameric sequence, cross-referenced to

When the unit of measure differs from the unit of

the illustration figure number and item number.

issue, the lowest unit of issue that will satisfy the

required units of measure will be requisitioned.

(2) Second. After finding the figure and item

number, locate the figure and item number in the

h. Quantity Incorporated in Unit. I n d i c a t e s

repair parts list.

t h e quantity of the item used in the breakout

shown on the illustration figure, which is prepared

6. A b b r e v i a t i o n s

for a functional group, subfunctional group, or an

Not applicable.

assembly.