Section I. INTRODUCTION - TM-11-5820-497-20P0005

TM 11-5820-497-20P

SECTION I

INTRODUCTION

1. Scope

assigned to indicate the levels of maintenance authorized

This manual lists spares and repair parts; special tools;

to USE and REPAIR support items. The maintenance

special test, measurement, and diagnostic equipment

codes are entered in the third and fourth positions of the

(TMDE), and other special support equipment required

Uniform SMR Code format as follows:

for performance of organizational maintenance of the

(a) The maintenance code entered in the third

RT-505/PRC-25. It authorizes the requisitioning and

position will indicate the lowest maintenance level

issue of spares and repair parts as indicated by the source

authorized to remove, replace, and use the support item.

and maintenance codes.

The maintenance code entered in the third position will

indicate one of the following levels of maintenance:

2. General

Code

Application/Explanation

This Repair Parts and Special Tools List is divided into the

O-Support item is removed, replaced, used at the

following sections:

organizational level.

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

(b) The maintenance code entered in the fourth

repair parts authorized for use in the performance of

position indicates whether the item is to be repaired and

maintenance. The list also includes parts which must be

identifies the lowest maintenance level with the capability

removed for replacement of the authorized parts. Parts

to perform complete repair (i.e., all authorized mainte-

lists are composed of functional groups in numeric se-

nance functions). This position will contain one of the

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

following maintenance codes:

item number sequence.

Application/Explanation

Code

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

D-The lowest maintenance level capable of complete

c. Section IV. National Stock Number and Part Num-

repair of the support item is the depot level.

ber. A list, in National item identification number (NIIN)

Z-Nonreparable. No repair is authorized.

sequence, of all National stock numbers (NSN) appearing

(3) Recoverability code. Recoverability codes are

in the listings, followed by a list, in alphameric sequence,

assigned to support items to indicate the disposition action

of all part numbers appearing in the listings. National

on unserviceable items. The recoverability code is entered

stock numbers and part numbers are cross-referenced to

in the fifth position of the Uniform SMR Code format as

each illustration figure and item number appearance.

follows:

3. Explanation of Columns

Recoverability

a. Illustration. This column is divided as follows:

codes

Definition

Z-Nonreparable item. When unserviceable, condemn

(1) Figure number. Indicates the figure number of

and dispose at the level indicated in position 3.

the illustration on which the item is shown.

D-Reparable item. When beyond lower level repair

(2) Item number. The number used to identify item

capability, return to depot. Condemnation and

called out in the illustration.

disposal not authorized below depot level.

b. Source, Maintenance, and Recoverability (SMR)

c. National Stock Number. Indicates the National stock

Codes.

number assigned to the item and will be used for requisi-

(1) Source code. Source codes indicate the manner

tioning purposes.

of acquiring support items for maintenance, repair, or

d. Part Number. Indicates the primary number used by

overhaul of end items. Source codes are entered in the

the manufacturer (individual, company, firm, corpora-

first and second positions of the Uniform SMR Code for-

tion, or Government activity), which controls the design

mat as follows:

and characteristics of the item by means of its engineering

Definition

Code

drawings, specifications, standards, and inspection re-

PA-Item procured and stocked for anticipated or

quirements to identify an item or range of items.

known usage.

NOTE

XD-A support item that is not stocked. When re-

When a stock numbered item is requisitioned,

quired, item will be procured through normal

the repair part received may have a different part

supply channels.

number than the part being replaced.

NOTE

e. Federal Supply Code for Manufacturer (FSCM).

Cannibalization or salvage may be used as a

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

source of supply for any items source coded

which is used to identify the manufacturer, distributor, or

above except those coded XA and aircraft sup-

Government agency, etc.

port items as restricted by AR 700-42.

f. Description. Indicates the Federal item name and, if

(2) Maintenance code. Maintenance codes are