Section I. INTRODUCTION - TM-11-5820-554-34P-30003

TM 11-5820-5S4-34P-3

Section I. INTRODUCTION

1. Scope

NOTE

This manual lists repair parts required for the

Cannibalization any items source coded

performance of direct support maintenance of the RT-7

above, except those coded XA, XD, and

18/FRC-93.

aircraft support items as restricted by AR

700-42.or salvage may be used as source of

supply for

2. General

This Repair Parts and Special Tools List is divided into

(2) Maintenance code. Maintenance codes are

the following sections:

assigned to indicate the levels of maintenance

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

authorized to USE and REPAIR support items.

authorized for use in the performance of maintenance.

The maintenance codes are entered in the third and

The list also includes parts which must be removed for

fourth positions of the Uniform SMR Code format as

replacement of the authorized parts. Parts lists are

follows:

composed of functional groups in ascending numerical

(a) The maintenance code entered in the third

sequence, with the parts in each group listed in figure

position will indicate the lowest maintenance level

and item number sequence. Bulk materials are listed in

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

NSN sequence.

The maintenance code entered in the third position will

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

indicate one of the following levels of maintenance:

c. Section IV. National Stock Number and Part

Code

Application Explanation

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

Number Index. A list, in ascending numerical sequence,

organizational level.

of all National stock numbers appearing in the listing,

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

followed by a list, in alphanumeric sequence of all part

support level.

numbers appearing in the listings. National stock

(b) The maintenance code entered in the fourth

numbers and part numbers are cross-referenced to each

position indicates whether the item is to be repaired and

illustration figure and item number appearance.

identifies the lowest maintenance level with the

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

3. Explanation of Columns

maintenance functions). This position will contain one

The following provides an explanation of columns found

of the following maintenance codes:

in the tabular listings:

Code

Application/Explanation

a. Illustration. This column is divided. as follows:

F-The lowest maintenance level capable of complete

(1) Figure number. Indicates the figure number of

repair of the support item is the direct support

the illustration in which the item is shown.

level.

{2) Item number. The number used to identify each

Z-Nonrepairable. No repair is authorized.

item called out in the illustration.

(3} Recoverability code. Recoverability codes are

b. Source, Maintenance, and Recoverability Codes

assigned to support items to indicate the disposition

{SMR).

action on unserviceable items. The recoverability code

(1) Source code. Source codes are assigned to

is entered in the fifth position of the Uniform SMR Code

support items to indicate the number of acquiring

format as follows:

support items for maintenance, repair, or overhaul

Recoverability

Definition

of end items. Source codes are entered in the first and

code

second positions of the Uniform SMR Code format as

D-Repairable item. When beyond lower level repair

follows:

capability, return to depot. Condemnation and

Code

Definition

disposal not authorized below depot level.

PA-Item procured and stocked for known usage

Z-Nonrepairable item. When unserviceable, condemn

anticipated or XA-Item is not procured or stocked

and dispose. at the level indicated in position 3.

because the requirements for the item will result

c. National Stock Number. Indicates the National

in the replacement of the next higher assembly.

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 used

channels.

by the manufacturer (individual, company, firm,