Section I. INTRODUCTION - TM-11-6625-556-20P0005

TM 11-6625-556-20P

SECTION I

INTRODUCTION

and aircraft support items as restricted by

1. Scope

AR 700-42.

This manual lists repair parts and special tools

(2) Maintenance code. Maintenance codes are

required for performance of organizational mainte-

assigned to indicate the levels of maintenance

nance of the AN/ARM-63.

authorized to USE and REPAIR support items. The

maintenance codes are entered in the third and

2. General

fourth positions of the Uniform SMR Code format as

This Repair Parts and Special Tools List is divided

follows:

into the following sections:

(a) The maintenance code entered in the third

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

position will indicate the lowest maintenance level

parts authorized for use in the performance of

authorized to remove, replace, and use the support

maintenance. The list also includes parts which must

item. The maintenance code entered in the third

be removed for replacement of the authorized parts.

position will indicate one of the following levels of

Parts lists are composed of functional groups in

maintenance:

ascending numerical sequence, with the parts in

Code

Application/Explanation

each group listed in figure and item number

Support item is removed, replaced, used at

O--

sequence.

the organizational level.

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

(b) The maintenance code entered in the

c. Section IV. National Stock Number and Part

fourth position indicates whether the item is to be

Number Index. A list, in ascending National item

repaired and identifies the lowest maintenance level

identification number (NIIN, last 9 digits) sequence,

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

of all National stock numbers appearing in the

all authorized maintenance functions). This position

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

will contain one of the following maintenance codes:

all part numbers appearing in the listings. National

Application/Explanation

Code

s t o c k number and part numbers are cross-

H--

The lowest maintenance level capable of

referenced to each illustration figure and item

complete repair of the support item is the

number appearance.

general support level.

Z--

Nonreparable. No repair is authorized.

3. Explanation of Columns

(3) Recoverability code. Recoverability codes are

The following provides an explanation of columns

assigned to support items to indicate the disposition

found in the tabular listings:

action on unserviceable items. The recoverability

a. Illustration. This column is divided as follows:

code is entered in the fifth position of the Uniform

(1) Figure number. Indicates the figure number

SMR Code format as follows:

of the illustration in which the item is shown.

Recoverablility

codes

Definition

(2) Item number. The number used to identify

Z--

Nonreparable item. When unserviceable,

each item called out in the illustration.

condemn and dispose at the level indicated

b. Source, Maintenance, and Recoverability Codes

in position 3.

(SMR).

H--

Reparable item. When uneconomically re-

(1) Source code. Source codes are assigned to

parable, condemn and dispose at the

support items to indicate the manner of acquiring

general support level.

support items for maintenance, repair, or overhaul of

c. National Stock Number. Indicates the National

end items. Source codes are entered in the first and

stock number assigned to the item and will be used

second positions of the Uniform SMR Code format as

for requisitioning purposes.

follows:

d. Part Number. Indicates the primary number

Definition

Code

used by the manufacturer (individual, company,

PA -- Item procured and stocked for anticipated or

firm, corporation, or Government activity), which

known usage.

controls the design and characteristics of the item by

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

means of its engineering drawings, specifications

required, item will be procured through

standards, and inspection requirements, to identify

normal supply channels.

an item or range of items.

NOTE

Cannibalization or salvage may be used as

When a stock numbered item is re-

a source of supply for any items source

quisitioned, the repair part received may

coded above except those coded XA, XD,