Section I. INTRODUCTION - TM-11-5895-687-34P-40005

TM 11-5895-687-34 P-4

SECTION I

INTRODUCTION

Definition

Code

1. Scope

initial issues or outfittings. Not subject to

This manual lists repair parts required for per-

automatic replenishment.

formance of direct support and depot maintenance

XAItem is not procured or stocked because the

of the RT-903/TPX-50.

requirements for the item will result in the

2. General

replacement of the next higher assembly.

This Repair Parts and Special Tools Lists is

XDA support item that is not stocked. When

divided into the following sections:

required, item will be procured through

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

normal supply channels.

parts authorized for use in the performance of

NOTE

maintenance. The list also includes parts which

Cannibalization or salvage may be used as

must be removed for replacement of the authorized

a source of supply for any items source-

parts. Parts lists are composed of functional

coded above, except those coded XA, XD,

groups in ascending numerical sequence, with the

and aircraft support items as restricted by

parts in each group listed in figure and item

AR 700-42.

number sequence.

(2) Maintenance code. Maintenance codes are

b. Section III. Special Tools List. Not ap-

assigned to indicate the levels of maintenance

plicable.

authorized to USE and REPAIR support items.

c. Section IV. National Stock Number and Part

The maintenance codes are entered in the third and

Number Index. A list, in ascending numerical

fourth positions of the Uniform SMR Code format

sequence, of all National stock numbers appearing

as follows:

in the listings, followed by a list, in alpha-numeric

{a) The maintenance code entered in the

sequence, of all part numbers appearing in the

third position will indicate the lowest maintenance

listings. National stock numbers and part numbers

level authorized to remove, replace, and use the

are cross-referenced to each illustration figure and

support item. The maintenance code entered in the

item number appearance.

third position will indicate one of the following

3. Explanation of Columns

levels of maintenance:

Application/Explanation

Code

The following provides an explanation of columns

OSupport item is removed, replaced, used at the

found in the tabular listings:

organizational level.

a. Illustration. This column is divided as

follows:

F Support item is removed, replaced, used at the

direct support level.

(1) Figure number. Indicates the figure

D Support items that are removed, replaced,

number of the illustration in which the item is

used at depot, mobile depot, specialized

shown.

repair activity only.

(2) Item number. The number used to identify

NOTE

each item called out in the illustration.

Codes "I" end "F" will be considered the

b. Source, Maintenance, and Recoverability

same by direct support units.

Codes (SMR).

(b) The maintenance code entered in the

(1) Source code. Source codes are assigned to

fourth position indicates whether the item is to be

support items to indicate the manner of acquiring

repaired end identifies the lowest maintenance level

support items for maintenance, repair, or overhaul

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

of end items. Source codes are entered in the first

all authorized maintenance functions). This

and second positions of the Uniform SMR Code

position will contain one of the following main-

format as follows :

Code

Definition

tenance codes:

Code

Application/Explanation

PA Item procured and stocked for anticipated or

FThe lowest maintenance level capable of

known usage.

complete repair of the support item is the

PDSupport item, excluding support equipment,

direct support level.

procured for initial issue or outfitting and

DThe lowest maintenance level capable of

stocked only for subsequent or additional