Section I: INTRODUCTION

TM 11-5815-206-20P

SECTION I

INTRODUCTION

b. Source, Maintenance, and Recoverability

1. Scope

(SMR) Codes.

This manual lists spares and repair parts; special

(1) Source code. Source codes indicate the

tools; special test, measurement, and diagnostic

manner of acquiring support items for mainte-

equipment (TMDE), and other special support

nance, repair, or overhaul of end items. Source

equipment required for performance of organiza-

codes are entered in the first and second positions

tional maintenance of the AN/PGC-1, AN/PGC-

of the Uniform SMR Code format as follows:

3 , TT-4A/TG, TT-4B/TG, TT4C/TG, TT335/

T G , TT-537/G, TT-698/TG, TT-698A/TG, TT-

Code

Definition

698B/TG, TT722/TG, and TT722A/TG. It au-

PA--Item procured and stocked for anticipated

thorizes the requisitioning and issue of spares and

or known usage.

repair parts as indicated by the source and main-

tenance codes.

PD--Support item, support equipment, procured

for initial issue or outfitting and stocked

2. G e n e r a l

only for subsequent or additional initial

This Repair Parts and Special Tools List is di-

issues or outfittings. Not subject to auto-

vided into the following sections:

matic replenishment.

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

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

and repair parts authorized for use in the per-

required, item will be procured through

formance of maintenance. The list also includes

normal supply channels.

parts which must be removed for replacement of

the authorized parts. Parts lists are composed of

NOTE

functional groups in numeric sequence, with the

Cannibalization or salvage may be used

parts in each group listed in figure and item num-

as a source of supply for any items

ber sequence.

source coded above except those coded

b. Section III. Special Tools List. Not appli-

XA and aircraft support items as re-

cable.

stricted by AR 70042.

c. Section IV. National Stock Number and Part

(2) Maintenance code. Maintenance codes

Number Index. A list, in National item identifica-

are assigned to indicate the levels of maintenance

tion number (NIIN) sequence, of all National

authorized to USE and REPAIR support items.

stock numbers (NSN) appearing in the listings,

The maintenance codes are entered in the third

followed by a list, in alphameric sequence, of all

and fourth positions of the Uniform SMR Code

part numbers appearing in the listings. National

format as follows:

stock numbers and part numbers are cross-ref-

(a) The maintenance code entered in the

erenced to each illustration figure and item num-

third position will indicate the lowest maintenance

ber appearance.

level authorized to remove, replace, and use the

3. Explanation of Columns

support item. The maintenance code entered in

a. Illustration. This column is divided as fol-

the third position will indicate one of the follow-

lows :

ing levels of maintenance:

(1) Figure number. Indicates the figure

Code

Application/Explanation

number of the illustration on which the item is

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

shown.

the organizational level.

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

tify item called out in the illustration.

(b) The maintenance code entered in the