Section I. INTRODUCTION - TM-9-4931-514-34P0002

TM 9-4931-514-34P

Section I. INTRODUCTION

identify item called out in the illustration.

1. Scope. This manual lists spares and repair parts that

are required for maintenance of the Radio Frequency

b. Source,

Maintenance,

and

Recoverability

Plug-In, Weinschel Engineering Model 436A.

authorizes the requisitioning and issue of spares and

(SMR) Codes.

repair parts as indicated by the source and maintenance

codes.

(1) Source Code. Source codes indicate the

manner of acquiring support items for maintenance,

2. General. This repair parts and special tools list

repair, or overhaul of end items. Source codes are

(RPSTL) is divided into the following sections:

entered in the first and second positions of the Uniform

SMR Code format as follows:

a. Section I. Introduction.

Code

Definition

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

and repair parts authorized for use in the performance of

PA -

Item procured and stocked for anticipated or

maintenance. The list also includes parts which must be

known usage.

removed for replacement of the authorized parts. Parts

lists are composed of functional groups in numeric

PB -

Item procured and stocked for insurance

sequence, with the parts in each group listed in figure

purpose because essentiality dictates that a

and item number sequence. Bulk materials are listed in

minimum quantity be available in the supply

National Stock Number (NSN) sequence.

system.

PC -

Item procured and stocked and which otherwise

c. Section III. NSN and Part Number Index. A list,

would be coded PA except that it is deteriorative

in National Item Identification Number (NIIN) sequence,

in nature.

of all NSN's appearing in the listings, followed by a list in

alphameric sequence of all part numbers appearing in

PD -

Support item, excluding support equipment,

the listings.

NSN's and part numbers are cross-

procured for initial issue or outfitting and stocked

referenced to each illustration figure and item number

only for subsequent or additional initial issues or

appearance.

outfittings.

Not subject to automatic

replenishment.

3. Explanation of Columns

PE -

Support equipment procured and stocked for

a. Illustration. This column is divided as follows:

initial issue or outfitting to specified maintenance

repair activities.

(1) Figure Number.

Indicates the figure

number of the illustration on which the item is shown.

PF -

Support equipment which will not be stocked but

which will be centrally procured on demand.

(2) Item Number.

The number used to