SECTION I INTRODUCTION - TM-11-3895-202-24P0002

SECTION I

INTRODUCTION

NOTE

1. Scope

Cannibalization or salvage may be used as

This manual lists spares and repair parts; special

a source of supply for any items source

tools; special test, measurement, and diagnostic

coded above except those coded XA and

equipment (TMDE), and other special support

aircraft support items as restricted by AR

equipment required for performance of organiza-

700-42.

tional and direct support maintenance of the RL-31,

RL-31B, RL-31C, RL-31D, and RL-31E. It authorizes

(2) Maintenance code. Maintenance codes are

the requisitioning and issue of spares and repair

assigned to indicate the levels of maintenance au-

parts as indicated by the source and maintenance

thorized to USE and REPAIR support items. The

codes.

maintenance codes are entered in the third and

fourth positions of the Uniform SMR Code format

as follows:

2. General

(a) The maintenance code entered in the

This Repair Parts and Special Tools List is divided

third position will indicate the lowest maintenance

into the following sections:

level authorized to remove, replace, and use the

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

support item. The maintenance code entered in

and repair parts authorized for use in the perform-

the third position will indicate one of the follow-

ance of maintenance. The list also includes parts

ing levels of maintenance:

which must be removed for replacement of the

Application/Explanation

Code

authorized parts. Parts lists are composed of func-

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

tional groups in numeric sequence, with the parts

organizational level.

in each group listed in figure and item number

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

sequence.

direct support 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 National item identification

repaired and identifies the lowest maintenance level

number (NUN) sequence, of all National stock

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

numbers (NSN) appearing in the listings, followed

all authorized maintenance functions). This posi-

by a list, in alphameric sequence, of all part num-

tion will contain the following maintenance code:

bers appearing in the listings. National stock num-

bers and part numbers are cross-referenced to each

Code

Application/Ezplanation

illustration figure and item number apeparance.

Z-Nonreparable. No repair is authorized.

(3) Recoverability code. Recoverability codes

3. Explanation of Columns

are assigned to support items to indicate the dis-

a. Illustration. This column is divided as follows:

position action on unserviceable items. The recover-

ability code is entered in the fifth position of the

(1) Figure number. Indicates the figure num-

Uniform SMR Code format as follows:

ber of the illustration on which the item is shown.

Recoverability

(2) Item number. The number used to identify

codes

Definition

item called out in the illustration.

Z-Nonreparable item. When unserviceable, con-

b. S o u r c e, Maintenance, and Recoverability

demn and dispose at the level indicated in

(SMR) Codes.

position 3.

(1) Source code. Source codes indicate the

c. National Stock Number. Indicates the National

manner of acquiring support items for maintenance,

stock number assigned to the item and will be used

repair, or overhaul of end items. Source codes are

for requisitioning purposes.

entered in the first and second positions of the

d. Part Number. Indicates the primary number

Uniform SMR Code format as follows:

used by the manufacturer (individual, company,

Code

Definition

firm, corporation, or Government activity), which

PA--Item procured and stocked for anticipated or

controls the design and characteristics of the ltem

known usage.

by means of its engineering drawings, specifications,