SECTION I. INTRODUCTION - TM-11-5820-461-20P0004

TM 11-5820-461-20P

SECTION I

INTRODUCTION

1. Scope

This manual lists spares and repair parts; special tools

PDSupport item, excluding support equipment,

special test, measurement, and diagnostic equipment

procured for initial issue or outfitting and stocked

(TMDE),and other special support equipment required

only for subsequent or additional initial issues or

for performance of organizational maintenance of the

outfitting. Not subject to automatic replenishment.

AN/GRC-50(V)1 through 5 and AN/GRC-50A(V)1

through 11. It authorizes the requisitioning and issue of

XDA support item that is not stocked. When required,

spares and repair parts as indicated by the source and

item will be procured through normal supply

maintenance codes.

channels.

2. General

NOTE

This Repair Parts and Special Tools List is divided into

Cannibalization or salvage may be used as a

the following sections:

source of supply for any items source coded above

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

except those coded XA and aircraft support items

repair parts authorized for use in the performance of

as restricted by AR 700-42.

maintenance. The list also includes parts which must be

(2) Maintenance code.

Maintenance codes are

removed for replacement of the authorized parts. Parts

assigned to indicate the levels of maintenance authorized

lists are composed of functional groups in numeric

to USE and REPAIR support items. The maintenance

sequence, with the parts in each group listed in figure

codes are entered in the third and fourth positions of the

and item number sequence.

Uniform SMR Code format as follows:

b. Section III. Special Tools List Not applicable.

(a) The maintenance code entered in the third

c. Section IV. National Stock Number and Part

position will indicate the lowest maintenance level

Number Index. A list, in National item identification

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

number (NIIN) sequence, of all National stock numbers

The maintenance code entered in the third position will

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

indicate one of the following levels of maintenance:

alphameric sequence, of all part numbers appearing in

the listings. National stock numbers and part numbers

Code

Application/Explanation

are cross-referenced to each illustration figure and item

OSupport item is removed, replaced, used at the

number appearance.

organizational level.

(b) The maintenance code entered in the fourth

3. Explanation of Columns

position indicates whether the item is to be repaired and

identifies the lowest maintenance level with the

a. Illustration. This column is divided as follows:

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

(1) Figure number. Indicates the figure number of

maintenance functions). This position will contain one

the illustration on which the item is shown.

of the following maintenance codes:

(2) Item number. The number used to identify item

called out in the illustration.

Code

Application/Explanation

b. Source, Maintenance, and Recoverability (SMR)

HThe lowest maintenance level capable of complete

Codes.

repair of the support item is the general support

(1) Source code. Source codes indicate the manner

level.

of acquiring support items for maintenance, repair, or

DThe lowest maintenance level capable of complete

overhaul of end items. Source codes are entered in the

repair of the support item is the depot level.

first and second positions of the Uniform SMR Code

ZNonreparable. No repair is authorized.

format as follows:

(3) Recoverability code. Recoverability codes are

Code

Definition

assigned to support items to indicate the disposition

PAItem procured and stocked for anticipated or known

action on unserviceable items. The recoverability code is

usage.

entered in the fifth position of the Uniform SMR