Section I. INTRODUCTION

TM 11-6625-1636-20P

SECTION I

INTRODUCTION

NOTE

1. Scope

Cannibalization or salvage may be used as

This manual lists spares and repair parts; special tools;

a source of supply for any items source

special test, measurement, and diagnostic equipment

coded above except those coded XA and

(TMDE), and other special support equipment required

aircraft support items as restricted by AR

for performance of organizational maintenance of the

700-42.

AN/ARM-109. It authorizes the requisitioning and issue

of spares and repair parts as indicated by the source and

(2) Maintenance code. Maintenance codes are

maintenance codes.

assigned to indicate the levels of maintenance

authorized to USE and REPAIR support items. The

2. General

maintenance codes are entered in the third and fourth

This Repair Parts and Special Tools List is divided into

positions of the Uniform SMR Code format as follows:

the following sections:

(a) The maintenance code entered in the third

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

position will indicate the lowest maintenance level

and repair parts authorized for use in the performance of

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

maintenance. The list also includes parts which must be

The maintenance code entered in the third position will

removed for replacement of the authorized parts. Parts

indicate one of the following levels of maintenance:

lists are composed of functional groups in numeric

sequence, with the parts in each group listed in figure

Code

Application/Explanation

and item number sequence.

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

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

organizational level.

c. Section IV. National Stock Number and Part

(b) The maintenance code entered in the fourth

Number Index. A list, in National item identification

position indicates whether the item is to be repaired and

number (NIIN) sequence, of all National stock numbers

identifies the lowest maintenance level with the capability

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

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

alphameric sequence, of all part numbers appearing in

maintenance functions). This position will contain one of

the listings. National stock numbers and part numbers

the following maintenance codes:

are cross-referenced to each illustration figure and item

number appearance.

Code

Application/Explanation

H - The lowest maintenance level capable of complete

3. Explanation of Columns

repair of .the support item is the general support

a. illustration. This column is divided as follows:

level.

(1) Figure number. Indicates the figure number of

Z - Nonreparable. No repair is authorized.

the illustration on which the item is shown.

(3) Recoverability code. Recoverability codes are

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

assigned to support items to indicate the disposition

called out in the illustration.

action on unserviceable items. The recoverability code is

b. Source, Maintenance, and Recoverability (SMR)

entered in the fifth position of the Uniform SMR Code

Codes.

format as follows:

(1) Source code. Source codes indicate the manner

of acquiring support items for maintenance, repair, or

Recoverability

overhaul of end items. Source codes are entered in the

Codes

Definition

first and second positions of the Uniform SMR Code

Z--Nonreparable item. When unserviceable, condemn

format as follows:

and dispose at the level indicated in position 3.

H - Reparable item. When uneconomically reparable,

Code

Definition

condemn and dispose at the general support level.

PA-Item procured and stocked for anticipated or known

c. National Stock Number. Indicates the National

usage.

stock number assigned to the item and will be used for

XD-A support item that is not stocked. When required,

requisitioning purposes.

item will be procured through normal supply

d. Part Number. Indicates the primary number

channels.

used by the manufacturer (individual, company, firm,

corporation, or Government activity), which controls the

design and characteristics of the item by means of its