Section I. INTRODUCTION - TM-11-5825-271-34P0004

TM 11-5825-271-34P

SECTION I

INTRODUCTION

Code

Definition

Scope

MD - Item to be manufactured or fabricated at the depot

This manual lists spares and repair parts; special tools;

maintenance level.

special test, measurement, and diagnostic equipment

AF - Item to be assembled at direct support

(TMDE), and other special support equipment required

maintenance level.

for performance of direct support and general support

AD - Item to be assembled at depot maintenance level.

maintenance of the T1428/FRN, TN588/FRN and

XA - Item is not procured or stocked because the

SA2318/FRN. It authorizes the requisitioning and issue

requirements for the item will result in the

of spares and repair parts as indicated by the source

replacement of the next higher assembly.

and maintenance codes.

XD - A support item that is not stocked.

When

General

required, item will be procured through normal

This Repair Parts and Special Tools List is divided into

supply channels.

the following sections:

NOTE

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

Cannibalization or salvage may be

and repair parts authorized for use in the performance of

maintenance. The list also includes parts which must be

used as a source of supply for any

removed for replacement of the authorized parts. Parts

items source coded above except

lists are composed of functional groups in numeric

those coded XA and aircraft support

sequence, with the parts in each group listed in figure

items as restricted by AR 700-42.

and item number sequence.

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

(2) Maintenance code. Maintenance codes

c. Section IV National Stock Number and Part

are assigned to indicate the levels of maintenance

Number Index. A list, in National item identification

authorized to USE and REPAIR support items. The

number (NIIN) sequence, of all National stock numbers

maintenance codes are entered in the third and fourth

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

positions of the Uniform SMR Code format as follows:

alphanumeric sequence, of all part numbers appearing

(a) The maintenance code entered in the

in the listings.

National stock numbers and part

third position will indicate the lowest maintenance level

numbers are cross-referenced to each illustration figure

authorized to remove, replace, and use the support

and item number appearance.

item. The maintenance code entered in the third

Explanation of Columns

position will indicate one of the following levels of

a. Illustration. This column is divided as follows:

maintenance:

(1) Figure number.

Indicates the figure

Code

Application/Explanation

number of the illustration on which the item is shown.

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

(2) Item number. The number used to identify

organizational level.

item called out in the illustration.

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

b. Source, Maintenance, and Recoverability (SMR)

direct support level.

Codes.

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

(1) Source code. Source codes indicate the

general support level.

(b) The maintenance code entered in the

manner of acquiring support items for maintenance,

repair, or overhaul of end items. Source codes are

fourth position indicates whether the item is to be

entered in the first and second positions of the Uniform

repaired and identifies the lowest maintenance level

SMR Code format as follows:

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

Code

Definition

authorized maintenance functions). This position will

contain one of the following maintenance codes:

PA - Item procured and stocked for anticipated or

Code

Application/Explanation

known usage.

MH - Item to be manufactured or fabricated at the

F - The lowest maintenance level capable of

general support maintenance level.

complete repair of the support item is the direct

support level.