SECTION I. INTRODUCTION - TM-11-5820-556-24P0006

TM 11-5820-556-24P

SECTION I

INTRODUCTION

tered in the first and second positions of the Uniform

1. Scope

SMR Code format as follows:

Code

Definition

This manual lists spares and repair parts; special tools;

PA-- Item procured and stocked for anticipated or

special test, measurement, and diagnostic equipment

known usage.

(TMDE), and other special support equipment required

PD-- Support item, excluding support equipment, pr o-

for performance of organizational, direct support, and

cured for initial issue or outfitting and stocked

general support maintenance of the AN/TRC-1 12. It

only for subsequent or additional initial issues

authorizes the requisitioning and issue of spares and

or outfittings Not subject to automatic reple n-

repair parts as indicated by the source and maintenance

ishment.

codes.

MD-- Item to be manufactured or fabricated at the

depot maintenance level.

2. General

XD-- A support item that is not stocked. When r e-

quired, item will be procured through normal

This Repair Parts and Special Tools List is divided into

supply channels.

the following sections:

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

NOTE

and repair parts authorized for use in the performance

Cannibalization or salvage may be

of maintenance. The list also includes parts which must

used as a source of supply for any

be removed for replacement of the authorized parts.

items source coded above except

Parts lists are composed of functional groups in n u-

those coded XA and aircraft support

meric sequence, with the parts in each group listed in

items as restricted by AR 750-1.

figure and item number sequence.

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

(2) Maintenance code . Maintenance codes are

c. Section IV. National Stock Number and Part

assigned to indicate the levels of maintenance autho r-

Number Index. A list, in National item identification

ized to USE and REPAIR support items. The maint e-

number (NIIN) sequence, of all National stock nu m-

nance codes are entered in the third and fourth pos i-

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

tions of the Uniform SMR Code format as follows:

in alphanumeric sequence, of all part numbers appea r-

(a) The maintenance code entered in the third

ing in the listings. National stock numbers and part

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 pos i-

tion will indicate one of the following levels of maint e-

3. Explanation of Columns

nance:

a. Illustration. This column is divided as follows:

Code

Application/Explanation

(1) Figure number. Indicates the figure number

C-- Crew or operator maintenance performed within

of the illustration on which the item is shown.

organizational maintenance.

(2) Item number. The number used to identify

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

item called out in the illustration.

ganizational level.

b. Source Maintenance, and Recoverability (SMR)

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

Codes.

rect support level.

(1) Source code . Source codes indicate the

(b) The maintenance code entered in the

manner of acquiring support items for maintenance,

fourth position indicates whether the item is to be r e-

repair, or overhaul of end items. Source codes are e n-

paired and identifies the lowest maintenance level

Change 1