Section I. INTRODUCTION - TM-11-6125-259-30P0004

TM 11-6125-259-30P

SECTION I

INTRODUCTION

Code

Definition

1. Scope

MD-Item to be manufactured or fabricated at the

This manual lists spares and repair parts; special

depot maintenance level.

tools; special test, measurement, and diagnostic

XA-Item is not procured or stocked because the

equipment (TMDE), and other special support

requirements for the item will result in the

equipment required for performance of direct

replacement of the next higher assembly

support maintenance of the PP-7274C/A. It

XD-A support item that is not stocked. When

authorizes the requisitioning and issue of spares and

required, item will be procured through

repair parts as indicated by the source and main-

normal supply channels.

tenance codes.

NOTE

2. General

Cannibalization or salvage may be used

as a source of supply for any items source

This Repair Parts and Special Tools List is divided

coded above except those coded XA and

into the following sections:

aircraft support items as restricted by

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

and repair parts authorized for use in the per-

AR 700-42.

formance of maintenance. The list also includes

(2) Maintenance code. Maintenance codes are

parts which must be removed for replacement of the

assigned to indicate the levels of maintenance

authorized parts. Parts lists are composed of func-

authorized to USE and REPAIR support items. The

tional groups in numeric sequence, with the parts in

maintenance codes are entered in the third and

each group listed in figure and item number

fourth positions of the Uniform SMR Code format

sequence.

as follows:

b. Section III. Special Tools List. Nonapplicable.

(a) The maintenance code entered in the third

c. Section IV. National Stock Number and Part

position will indicate the lowest maintenance level

Number Indez. A list, in National item iden-

authorized to remove, replace, and use the support

tification number (NIIN) sequence, of all National

item. The maintenance code entered in the third

stock numbers (NSN) appearing in the listings,

position will indicate one of the following levels of

followed by a list, in alphameric sequence, of all part

maintenance:

numbers appearing in the listings. National stock

Application/Explanation

Code

numbers and part numbers are cross-referenced to

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

each illustration figure and item number ap-

direct support level.

pearance.

(b) The maintenance code entered in the

3. Explanation of columns

fourth position indicates whether the item is to be

a. Illustration. This column is divided as follows:

repaired and identifies the lowest maintenance level

(1) Figure number. Indicates the figure number

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

all authorized maintenance functions). This position

of the illustration on which the item is shown.

(2) Item number. The number used to identify

will contain one of the following maintenance codes:

Code

Application/Explanation

item called out in the illustration.

b. Source Maintenance, and Recoverability

F-The lowest maintenance level capable of com-

(SMR)Codes.

plete repair of the support item is the direct

(1) Source code. Source codes indicate the

support level.

manner of acquiring support items for maintenance,

Z-Nonreparable. No repair is authorized.

repair, or overhaul of end items. Source codes are

(3) Recoverability code. Recoverability codes

entered in the first and second positions of the

are assigned to support items to indicate the

Uniform SMR Code format as follows:

disposition action on unserviceable items. The

Code

Definition

recoverability code is entered in the fifth position of

PA-Item procured and stocked for anticipated or

the Uniform SMR Code format as follows:

known usage.