Appendix E. REPAIR PARTS AND SPECIAL TOOLS LIST

TM 9-4931-378-13&P

APPENDIX E

REPAIR PARTS AND SPECIAL TOOLS LIST

Section I. INTRODUCTION

Item procured and stocked for insurance purposes

E-1. Scope. This appendix lists repair parts and special

tools required for the operation and performance of avia-

because essentiality dictates that a minimum quan-

tion unit maintenance, Aviation intermediate maintenance

tity be available in the supply systems.

and Depot maintenance. It authorizes the requisitioning

Item procured and stocked which otherwise would

and issue of spares and repair parts as indicated by the

be coded PA except that it is deteriorative in na-

source and maintenance codes,

ture.

Support item, excluding support equipment, pro-

E-2. General. This repair parts and special tools list is

cured for initial issue or outfitting and stocked

divided into the following sections:

only for subsequent or additional initial issues or

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

outfitting. Not subject to automatic replenish-

authorized for use in the performance of maintenance. The

ment.

list also includes parts which must be removed for replace-

Support equipment procured and stocked for ini-

ment of the authorized parts. Parts lists are composed of

tial issue or outfitting to specified maintenance re-

functional groups in ascending numerical sequence with the

pair activities.

parts in each group listed in figure and item number se-

Support equipment which will not be stocked but

quence. Bulk materials are listed in NSN sequence.

which will be centrally procured on demand.

b. Section III. Special Tools List. Not applicable.

Item procured and stocked to provide for sus-

c. Section IV. National Stock Number (NSN) and

tained support for the life of the equipment. It is

Part Number Index. A list in National item identification

applied to an item peculiar to the equipment

number (NIIN) sequence, of all National stock numbers

which, because of probable discontinuance or

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

shutdown of production facilities, would prove un-

economical to reproduce at a later time.

numeric sequence (e.g., MS will precede M1) of all part

An item of a depot overhaul/repair kit and not

numbers appearing in the listings. National stock numbers

purchased separately. Depot kit is defined as a kit

and part numbers are cross-referenced to each illustration

figure and item number appearance.

that provides items required at the time of over-

haul or repair.

E-3. Explanation of Columns. The following provides an

An item of a maintenance kit and not purchased

explanation of columns found in the tabular listings:

separately. Maintenance kit is defined as a kit that

Illustration. This column is divided as follows:

provides an item that can be replaced at aviation

(1) Figure number. Indicates the figure num-

unit or intermediate levels of maintenance.

ber of the illustration in which the item is shown.

Item included in both a depot overhaul/repair kit

and a maintenance kit.

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

tify each item called out in the illustration.

Item to be manufactured or fabricated at aviation

b. Source, Maintenance, and Recoverability Codes

unit level:

(SMR).

Item to be manufactured or fabricated at aviation

(1) Source Code. Source codes are assigned

intermediate maintenance level.

to support items to indicate the manner of acquiring sup-

Item to be manufactured or fabricated at depot

port items for maintenance, repair or overhaul of end items.

maintenance level.

Source codes are entered in the first and second positions

Item to be assembled at aviation unit level.

of the Uniform SMR Code format as follows:

Item to be assembled at aviation intermediate

maintenance level.

Item to assembled at depot maintenance level.

Definition

Code

Item is not procured or stocked because the re-

quirements for the item will result in the replace-

Item procured and stocked for anticipated or

ment of the next higher assembly.

known usage.

E-1