Section I. INTRODUCTION - TM-9-6695-260-34P0003

TM 9-6695-260-34P

Section I. INTRODUCTION

b. Source, Maintenance, and Recoverability (SMR)

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

Codes.

are required for maintenance of the Precision Amplifier,

Krohn-Hite Model 7500. It authorizes the requisitioning

and issue of spares and repair parts as indicated by the

(1) Source Code. Source codes indicate the

source and maintenance codes.

manner of acquiring support items for

maintenance, repair, or overhaul of end items.

2. General.This repair parts and special tools list

Source codes are entered in the first and second

(RPSTL) is divided into the following sections:

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

PA -

Item procured and stocked for anticipated or

repair parts authorized for use in the performance

known usage.

of maintenance. The list also includes parts which must

be removed for replacement of the authorized parts.

PB -

Item procured and stocked for insurance

Parts lists are composed of functional groups in numeric

purpose because essentiality dictates that a

sequence, with the parts in each group listed in figure

minimum quantity be available in the supply

and item number sequence. Bulk materials are listed in

system.

National Stock Number (NSN) sequence.

PC -

Item procured and stocked and which otherwise

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

would be coded PA except that it is deteriorative

National Item Identification Number (NIIN) sequence, of

in nature.

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

alphanumeric 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. Illustratlon.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 identify

item called out in the illustration.