How to Locate Repair Parts - TM-11-4920-294-40P-10004

TM 11-4920-294-40P-1

and characteristics of the item by means of its

Set AN/ASM-417

engineering drawings, specifications, standards, and

TM 11-4920-294-20P-1, Test Set, Bench, Flight Control

inspection requirements to identify an item or range of

Set AN/ASM-417

items.

TM 11-4920-294-45-1, Test Set, Bench, Flight Control

Set AN/ASM-417

NOTE

When a stock numbered item is

5. How to Locate'" Repair Parts

requisitioned, the repair part received

a. When National stock number or part number is

may have a different part number than

unknown.

the part being replaced.

(1) First.

Using the table of contents,

e. Federal Supply Code for Manufacturer (FSCM).

determine the functional group within which the item

The FSCM is a 5-digit numeric code listed in SB 708-42

belongs.

This is necessary since illustrations are

which is used to identify the manufacturer, distributor, or

prepared for functional groups and listings are divided

Government agency, etc.

into the same groups.

f Description. Indicates the Federal item name and, if

(2) Second. Find the illustration covering the

required, a minimum description to identify the item.

functional group to which the item belongs.

g. Unit of Measure (UIM). Indicates the standard of

(3) Third. Identify the item on the illustration

the basic quantity of the listed item as used in performing

and note the illustration figure and item number of the

the actual maintenance function. This measure is

item.

expressed by a two-character alphabetical abbreviation

(4) Fourth. Using the Repair Parts Listing,

(e.g., ea, in, pr, etc). When the unit of measure differs

find the figure and item number noted on the illustration.

from the unit of issue, the lowest unit of issue that will

b. When National stock number or part number is

satisfy the required units of measure will be

known.

requisitioned.

(1) First. Using the Index of National Stock

h. Quantity Incorporated in Unit. Indicates the

Numbers and Part Numbers, find the pertinent National

quantity of the item used in the breakout shown on the

stock-number or part number. This index is in NIIN

illustration figure, which is prepared for a functional

sequence

group, subfunctional group, or an assembly. A "V"

followed by a list of part numbers in alphameric

appearing in this column in lieu of a quantity indicates

sequence cross-referenced to the illustration figure

that no specific quantity is applicable, (e.g., shims,

number an( item number.

spacers, etc).

(2) Second. After finding the figure and item

number, locate the figure and item number in the repair

4. Special Information

part list.

The following publications pertain to the AN/ASM-417

and its components:

6. Abbreviations

TM 11-4920-294-12-1, Test Set, Bench, Flight Control

Not applicable.

(Next printed page is 4.1)