Section I. INTRODUCTION - TM-55-2810-218-20P0004

TM 55-2810-218-20P

ORGANIZATIONAL MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST

Section I. INTRODUCTION

1. Scope.

a. Source, Maintenance, and Recoverability Codes

This manual lists the repair parts, special tools, and

(SMR), Column 1.

maintenance supplies required for the performance of

(1) Source Code. Indicates the selection

organizational maintenance of the Engine, Aircraft,

status and source for the listed item. Source codes are:

Reciprocating, 0-480-1, 0-480-1A, 0-480-1B, 0-480-3,

and 0-480-3A (Lycoming).

Code

Explanation

2. General.

Repair parts, special tools and test equipment

supplied from the GSA/DSA or Army supply

This Repair Parts and Special Tools List is divided

system and authorized for use at indicated

into the following sections:

maintenance categories.

Repair Parts, special tools and test equipment

a. Repair Parts Section II. A list of repair parts

which are procured and stocked for insurance

authorized for the performance of maintenance at the

purposes because the combat or military

organizational level in figure and item number

essentiality of the end item dictates that a

sequence. This section is arranged by functional

minimum quantity be available in the supply

group, usually in disassembly order, and indented when

system.

required to indicate the relationship to the next higher

Assigned to items which are NSA design

assembly. Items appearing more than once in an

controlled: unique repair parts, special tools,

assembly will be repeated to show relationship to the

test, measuring, and diagnostic equipment

functional group illustration. The illustrations in this

which are stocked and supplied by the Army

section will appear immediately preceding each figure of

COMSEC Logistic System and which are not

text. Installations which are not assigned source codes

subject to the provisions of AR 38041.

and maintenance levels appear for informational

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Assigned to items which are NSA design

purposes only and are not to be requisitioned. The

controlled: special tools, test, measuring, and

individual components required to support these

diagnostic equipment for COMSEC support

installations are illustrated and listed with applicable

which are accountable under the provisions of

source codes and maintenance levels.

AR 380-41 and which are stocked and

supplied by the Army COMSEC Logistic

b. Special Tools Section III. A list of special tools,

System.

authorized for the performance of maintenance at the

Repair parts, special tools and test equipment

organizational level in figure and item number

which are not procured or stocked as such in

sequence. The illustrations in this section will appear

the supply system but are to be manufactured

immediately following the text portion of each part.

at indicated maintenance levels.

Assemblies which are not procured or stocked

c. Federal Stock Number and Reference Number

as such but are made up of two or more units.

Index Section IV. A list of federal stock numbers in

Such component units carry individual stock

ascending numerical sequence, followed by a list of

numbers and descriptions, are procured and

reference numbers in ascending alphamerical

stocked separately, and can be assembled to

sequence, cross-referenced to the illustration figure and

form the required assembly at indicated

item number.

maintenance categories.

3. Explanation of Columns.

The following provides an explanation of columns in

the tabular lists in sections II and III.

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