Section I. INTRODUCTION - TM-9-2350-238-20P0012

TM 9-2350-238-20P

Section I. INTRODUCTION

1. Scope.

This manual lists repair parts and special tools required

(1) Source code.

Source codes indicate the

for performance of direct support, and general support

manner of acquiring support items for maintenance,

maintenance of the recovery vehicle, full tracked; light

repair, or overhaul of end items. Source codes are

armored M578.

entered in the first and second positions of the Uniform

SMR Code format as follows:

2. General.

Code

Definition

PA-Item procured and stocked for anticipated or known usage.

This repair parts list, special tools list and NSN/ Part

PB-Item procured and stocked for insurance purpose because

Number Index is divided into Parts I and II.

essentiality dictates that a minimum quantity be

Part I is for: Hull and related components

available in the supply system.

Part II if for: Crane (cab) components

PC-Item procured and stocked and which otherwise would be

coded PA except that it Is deteriorative in nature.

PD-Support item, excluding support equipment, procured for

a. Section II, Repair Parts List. A list of repair parts

initial Issue or outfitting and stocked only for subsequent

authorized for use in the performance of maintenance.

or additional issue or outfittings.

Not subject to

The list also includes parts which must be removed for

automatic replenishment.

replacement of the authorized parts. Parts lists are

PE-Support equipment procured and stocked for initial issue or

composed of functional groups in ascending numerical

outfitting to specified maintenance repair activities.

PF-Support equipment which will not be stocked but which will

sequence, with the parts in each group listed in figure

be centrally procured on demand.

and item number sequence. Bulk materials are listed in

PG-Item procured and stocked to provide for sustained support

NSN sequence.

for the life of the equipment It is applied to an item

peculiar to the equipment which, because of probable

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

discontinuance or shutdown of production facilities,

would prove uneconomical to reproduce at a later time.

tools authorized for the performance of maintenance.

KD-An item of a depot overhaul/repair kit and not purchased

The lowest authorized level of issue and use is indicated

separately. Depot kit defined as a kit that provides

by the third position of the SMR code.

See

items required at the time of overhaul or repair.

paragraph 3b for explanation of codes. Tools authorized

KF-An item of a maintenance kit and not purchased separately.

and issued to lower levels of maintenance are

Maintenance kit defined as a kit that provides an item

authorized and issued to all higher levels also.

that can be replaced at organizational or intermediate

levels of maintenance.

KB-Item included in both a depot overhaul/repair kit and a

c. Section IV, National Stock Number and Part

maintenance kit.

Number Index.

A list, in ascending National item

MO-Item to be manufactured or fabricated at organizational

identification number (NIIN) sequence, of all national

level.

stock numbers (NSN) appearing in the listings, followed

MF-ltem to be manufactured or fabricated at the direct support

by a list in alphameric sequence, of all part numbers

maintenance level.

appearing in the listings. National stock numbers and

MH-ltem to be manufactured or fabricated at the general

part numbers are cross-referenced to each illustration

support maintenance level.

figure and item number appearance.

MD-Item to be manufactured or fabricated at the depot

maintenance level.

AO-ltem to be assembled at organizational level.

3. Explanation of Columns.

AF-Item to be assembled at direct support maintenance level.

AH-item to be assembled at general support maintenance

The following provides an explanation of columns found

level.

in the tabular listings:

AD-Item to be assembled at depot maintenance level.

a. Illustration. This column is divided as follows:

XA-ltem is not procured or stocked because the requirements

for the item will result in the replacement of the next

(1) Figure number.

Indicates the figure

higher assembly.

number of the illustration in which the item is shown.

XB-ltem is not procured or stocked. If not available through

(2) Item number. The number used to identify

salvage requisition.

each item called out in the illustration.

XC-Installation drawing, diagram, instruction sheet, field

b. Source, Maintenance, and Recoverability Codes

service drawing that is identified by manufacturer's part

number.

(SMR).

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

will be procured through normal supply channels.