SECTION I INTRODUCTION - TM-11-1680-201-30P0004

TM 11-1680-201-30P

SECTION I

INTRODUCTION

Code

Definition

1. Scope

PA-- Item procured and stocked for anticipated or

known usage.

This manual lists spares and repair parts; special tools;

PG-- Item procured and stock to provide for sustained

special test, measurement, and diagnostic equipment

support for the life of the equipment. It is applied

(TMDE), and other special support equipment required

to an item peculiar to the equipment which,

for performance of direct support maintenance of the

because of probable discontinuance or shutdown

Stability Augmentation System Amplifiers. It authorizes

of production facilities, would prove uneconomical

the requisitioning and issue of spares and repair parts as

to reproduce at a later time.

indicated by the source and maintenance codes.

XA-- Item is not procured or stocked because the

requirements for the item will result in the

2. General

replacement of the next higher assembly.

XB-- Item is not procured or stocked. If not available

This Repair Parts and Special Tools List is divided into

through salvage, requisition.

the following sections:

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

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

item will be procured through normal supply

repair parts authorized for use in the performance of

channels.

maintenance. The list also includes parts which must be

removed for replacement of the authorized parts. Parts

NOTE

lists are composed of functional groups in numeric

Cannibalization or salvage may be used as a

sequence, with the parts in each group listed in figure

source of supply for any items source coded

and item number sequence.

above except those coded XA and aircraft

b. Section III. Special Tools List. A list of special

support items as restricted by AR 750-1.

tools, special TMDE, and other special support

equipment authorized for the performance of

(2) Maintenance code. Maintenance codes are

maintenance.

assigned to indicate the levels of maintenance

c. Section IV. National Stock Number and Part

authorized to USE and REPAIR support items. The

Number Index. A list, in National item identification

maintenance codes are entered in the third and fourth

number (NIIN) sequence, of all National stock numbers

positions of the Uniform SMR Code format as follows:

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

(a) The maintenance code entered in the third

alphameric sequence, of all part numbers appearing in

position will indicate the lowest maintenance level

the listings. National stock numbers and part numbers

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

are cross-referenced to each illustration figure and item

The maintenance code entered in the third position will

number appearance.

indicate one of the following levels of maintenance:

3. Explanation of Columns

Code

Application/Explanation

F-- Support item is removed, replaced, used at the

a. Illustration. This column is divided as follows:

direct support level.

(1) Figure number. Indicates the figure number of

the illustration on which the item is shown.

(b) The maintenance code entered in the fourth

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

positions indicates whether the item is to be repaired and

called out in the illustration.

identifies the lowest maintenance level with the capability

b. Source, Maintenance, and Recoverability (SMR)

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

Codes.

maintenance functions). This position will contain one of

(1) Source code. Source codes indicate the manner

the following maintenance codes:

of acquiring support items for maintenance, repair, or

overhaul of end items. Source codes are entered in the

first and second positions of the Uniform SMR Code

format as follows: