Section I. INTRODUCTION - TM-11-5821-244-34P0005

TM 11-5821-244-34P

SECTION I

INTRODUCTION

b. Source, Maintenance, and Recoverability

1. Scope

(SMR) Codes.

This appendix lists spares and repair parts;

(1) Source code. Source codes indicate the

special tools; special test, measurement, and

manner of acquiring support items for main-

diagnostic equipment (TMDE), and other special

tenance, repair, or overhaul of end items. Source

support equipment required for performance of

codes are entered in the first and second posi-

organizational, d i r e c t s u p p o r t , a n d d e p o t

tions of the Uniform SMR Code format as follows:

maintenance of the Radio Set AN/ARC-54. It

authorizes requisitioning and issue of spares and

Code

Definition

repair parts as indicated by the source and

maintenance codes.

PA --Item procured and stocked for antici-

pated or known usage.

2. General

XB --Item includedin both a depot

This Repair Parts and Special Tools List is divided

overhaul/repair kit and a mainte-

into the following sections:

nance kit.

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

(2) Maintenance code. Maintenance codes

and repair parts authorized for use in the perfor-

are assigned to indicate the levels of maintenance

mance of maintenance. The list also includes

authorized to USE and REPAIR support items. The

parts which must be removed for replacement of

maintenance codes are entered in the third and

the authorized parts. Parts lists are composed of

fourth positions of the Uniform SMR Code format

functional groups in numeric sequence, with the

as follows:

parts in each group listed in figure and item

number sequence.

(a) The maintenance code entered in the

third position will indicate the lowest

b. Section III. Special Tools List. N o t

maintenance level authorized to remove, replace,

applicable.

and use the support item. The maintenance code

entered in the third position will indicate one of

c. Section IV. National Stock Number and Part

the following levels of maintenance:

Number Index. A list, in National item identifica-

tion number (NIIN) sequence, of all National stock

ApplicationlExplanation

Code

numbers (NSN) appearing in the listings, followed

by a list, in alphameric sequence, of all part

O -- Support item is removed, replaced,

numbers appearing in the listings. National stock

used at the organizational level.

numbers and part numbers are cross-referenced

F -- Support item is removed, replaced,

t o each illustration figure and item number

used at the direct support level.

appearance.

D -- Support items that are removed,

r e p l a c e d , used at depot, mobile

3. Explanation of Columns

depot, or specialized repair activity

only.

a. Illustration. This column is divided as

follows:

(b) The maintenance code entered in the

fourth position indicates whether the item is to be

(1) Figure number. Indicates the figure

repaired and identifies the lowest maintenance

number of the illustration on which the item is

level with the capability to perform complete

shown.

repair (i.e., all authorized maintenance functions).

This position will contain one of the following

(2) Item number. The number used to iden-

maintenance codes:

tify item called out in the illustration.