Section I. INTRODUCTION - TM-11-4920-294-40P-10003

TM 11-4920-294-40P-1

SECTION I

INTRODUCTION

authorized to USE and REPAIR support items. The

1. Scope

maintenance codes are entered in the third and fourth

This manual lists spares and repair parts; special tools;

positions of the Uniform SMR Code format as follows:

special test, measurement, and diagnostic equipment

(a) The maintenance code entered in

(TMDE), and other special support equipment required

the third position will indicate the lowest maintenance

for performance of general support maintenance of the

level authorized to remove, replace, and use the support

AN/ASM-417. It authorizes the requisitioning and issue

item. The maintenance code entered in the third position

of spares and repair parts as indicated by the source and

will indicate one of the following levels of maintenance:

maintenance codes.

Code

Application/Explanation

2. General

-Support item is removed, replaced, used at the

This Repair Parts and Special Tools List is divided into

organizational level.

the following sections:

-Support item is removed, replaced, used at the

a. Section II. Repair Parts List. A list of spares

general support level.

and repair parts authorized for use in the performance of

(b) The maintenance code entered in

maintenance. The list also includes parts which must be

the fourth position indicates whether the item is to be

removed for replacement of the authorized parts. Parts

repaired and identifies the lowest maintenance level with

lists are composed of functional groups in numeric se-

the capability to perform complete repair (i.e., all

quence, with the parts in each group listed in figure and

authorized mainte-nance functions). This position will

item number sequence.

contain one of the following maintenance codes:

b. Section III. Special Tools List. Not applicable.

Code

Application/Explanation

c. Section IV. National Stock Number and Part

-The lowest maintenance level capable of

Number Index. A list, in National item identification

complete repair of the support item is the

number (NIIN) sequence, of all National stock numbers

general support level.

(NSN) appearing in the listings, followed by a list, in

-Nonreparable. No repair is authorized.

alphameric sequence, of all part numbers appearing in

(3) Recoverability code. Recoverability codes

the listings. National stock numbers and part numbers

are assigned to support items to indicate the disposition

are cross-referenced to each illustration figure and item

action on unserviceable items. The recoverability code is

number appearance.

entered in the fifth position of the Uniform SMR Code

3. Explanation of Columns

format as follows:

a. Illustration. This column is divided as follows:

Recoverability

(1) Figure number.

Indicates the figure

codes

Definition

number of the illustration on which the item is shown.

-Nonreparable item.

When unserviceable,

(2) Item number. The number used to identify

condemn and dispose at the level indicated in

item called out in the illustration.

position 3.

b. Source, Maintenance, and Recoverability (SMR)

-Reparable item.

When uneconomically

Codes.

reparable, condemn and dispose at the general

(1) Source code. Source codes indicate the

support level.

manner of acquiring support items for maintenance,

-Reparable item. When beyond lower level

repair, or overhaul of end items. Source codes are

repair capability, return to depot. Condemnation

entered in the first and second positions of the Uniform

and disposal not authorized below depot level.

SMR Code for-mat as follows:

-Item requires special handling or condemnation

Code

Definition

procedures because of specific reasons (i.e.,

PA -

Item procured and stocked for anticipated or

precious metal content, high dollar value, critical

known usage.

material or hazardous material).

Refer to

XD-

A support item that is not stocked. When

appropriate manuals/directives for specific

required, item will be procured through

instructions.

normal supply channels.

c. National Stock Number. Indicates the National

NOTE

stock number assigned to the item and will be used for

Cannibalization or salvage may be used

requisitioning purposes.

as a source of supply for any items

d. Part Number. Indicates the primary number

source coded above except those coded

used by the manufacturer ('individual, company, firm,

XA and aircraft sup-port items as

corpora-tion, or Government activity), which controls the

restricted by AR 700-42.

design

(2) Maintenance code. Maintenance codes

are assigned to indicate the levels of maintenance