SECTION I INTRODUCTION - TM-5-6675-250-34P0005

TM5-6675-250-34P

SECTION I

INTRODUCTION

(1) Source code. Source codes are assigned to

1. Scope.

support items to indicate the manner of acquiring

This manual lists repair parts, special tools, test,

support items for maintenance, repair, or overhaul of

measurement, and diagnostic equipment (TMDE),

end items. Source codes are entered in the first and

and other support equipment required for operation

second positions of the Uniform SMR Code format as

and performance of direct support, and general sup-

follows:

port maintenance of the azimuth gyro survey instru-

ment.

Code

Definition

Item procured and stocked for anticipated or known

2. General.

usage.

Item procured and stocked for insurance purposes

Section II - Repair Parts List. A list of repair

because essentiality dictates that a minimum

parts authorized for use in the performance of

quantity be available in the supply systems.

maintenance, The list also includes parts which must

Item procured and stocked and which otherwise

be removed for replacement of the authorized parts.

would be coded PA except that it is deteriorative

Parts lists are composed of functional groups in

in nature.

Support item, excluding support equipment, pro-

ascending numerical sequence, with the parts in each

cured for initial issue or outfitting and stocked only

group listed in figure and item number sequence.

for subsequent or additional initial issues or out-

Bulk materials are listed in NSN sequence, as the last

fitting. Not subject to automatic replenishment.

group in Section II.

Support equipment procured and stocked for initial

issue or outfitting to specified maintenance repair

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

activities.

tools, TMDE, and support equipment authorized for

Support equipment which will not be stocked but

the performance of maintenance at the direct, and

which will be centrally procured on demand.

general support levels.

Item procured and stocked to provide for sustained

c. Section IV National Stock Number and Part

support for the life of the equipment. It is applied

to an item peculiar to the equipment which, be-

Number Index. A list, in ascending numerical se-

cause of probable discontinuance or shutdown of

quence, of all National stock numbers appearing in

production facilities, would prove uneconomical

the listings, followed by a list, in alphanumeric se-

to reproduce at a later time.

quence, of all part numbers appearing in the listings.

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

National stock numbers and part numbers are cross-

chased separately. Depot kit defined as a kit that

-referenced to each illustration figure and item

provides item required at the time of overhaul or

repair.

number appearance.

An item of a maintenance kit and not purchased

separately. Maintenance kit defined as a kit that

3. Explanation of Columns.

provides an item that can be replaced at organi-

zational or intermedieate levels of maintenance.

The following provides an explanation of columns

Item included in both a depot overhaul/repair kit

found in the tabular listings:

and a maintenance kit.

a. Illustration. This column is divided as follows:

Item to be manufactured or fabricated at organiz-

(1) Figure number. Indicates the figure number

ational level.

Item to be manufactured or fabricated at the direct

of the illustration in which the item is shown.

support maintenance level.

(2) Item number. The number used to identify

Item to be manufactured or fabricated at the general

each item called out in the illustration.

support maintenance level.

b. Source, Maintenance, and Recoverability Codes

Item to be manufactured or fabricated at the depot

maintenance level.

(SMR).