SECTION I. INTRODUCTION - TM-11-5820-222-20P0005

item called out in the illustration.

1. Scope

b. Source, Maintenance, and Recoverability (SMR)

This manual lists spares and repair parts; special

Codes.

tools; special test, measurement, and diagnostic

(1) Source code. Source codes indicate the man-

Equipment (TMDE), and other special support equip-

ner of acquiring support items for maintenance, re-

ment required for performance of organizational

pair, or overhaul of end items. Source codes are en-

maintenance on the AN/VRC-24, AN/VRC-24A,

tered in the first and second positions of the Uniform

AN/TRC-68, and AN/TRC-68A. It authorizes the

SMR Code format as follows:

requisitioning and issue of spares and repair parts as

Code

indicated by the source and maintenance codes.

Definition

2. General

PA-Item procured and stocked for anticipated or

known usage.

PD-Support item, excluding support equipment,

procured for initial issue or outfitting and stocked

only for subsequent or additional initial issues or

outfitting. Not subject to automatic replenishment.

XD-A support item that is not stocked. When re-

quired, item will be procured through normal supply

channels.

NOTE

Cannibalization or salvage may be used as a

source of supply for any items source coded

above except those coded XA and aircraft

support items as restricted by AR 700-42.

(2) Maintenance code. Maintenance codes are as-

signed to indicate the levels of maintenance author-

ized to USE and REPAIR support items. The main-

tenance codes are entered in the third and fourth

positions of the Uniform SMR Code format as fol-

lows:

(a) The maintenance code entered in the third

3 . Explanation of Columns

position will indicate the lowest maintenance level

a. Illustration. This column is divided as follows:

authorized to remove, replace, and use the support

item. The maintenance code entered in the third po-

(1) Figure number. Indicates the figure number

of the illustration on which the item is shown.

sition will indicate one of the following levels of

maintenance:

(2) Item number. The number used to identify