Section I. INTRODUCTION - TM-9-4120-381-24P0008

TM 9-4120-381-24P

UNIT, DIRECT SUPPORT AND GENERAL SUPPORT

MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST

Section I. INTRODUCTION

1. SCOPE. This RPSTL lists and authorizes spares and repair parts; special tools; special test, measurement, and

diagnostic equipment (TMDE ) ; and other special support equipment required for performance of unit, direct support and

general support maintenance of the 50,000 BTU Air Conditioner. It authorizes the requisitioning, issue, and disposition of

spares, repair parts and special tools as indicated by the source, maintenance and recoverability (SMR) codes.

2. GENERAL. In addition to this section, Introduction, this Repair Parts and Special Tools List is divided into the following

sections:

a. Section II Repair Parts List. A list of spares and repair parts authorized by this RPSTL for use in the

performance of maintenance. This list also includes parts which must be removed for replacement of the authorized

parts. Parts lists are composed of functional groups in ascending alphanumeric sequence, with the parts in each group

listed in ascending figure and item number sequence. Bulk materials are listed in item name sequence. Items are shown

in the associated illustration(s) /figure(s).

b. Section III Special Tools List. A list of special tools, special TMDE, and other special support equipment

authorized by this RPSTL (as indicated by Basis of Issue (BOI) information in DESCRIPTION AND USABLE ON CODE

column) for the performance of maintenance.

c. Section IV. Cross-Reference Index . A list, in National Item Identification Number (NIIN) sequence, of all

National stock numbered items appearing in the listing, followed by a list in alphanumeric sequence of all part numbers

appearing in the listings. National stock numbers and part numbers are cross referenced to each illustration figure and

item number appearance. The figure and item number index lists figure and item numbers in alphanumeric sequence and

cross references NSN, CAGEC and part number.

3. EXPLANATION OF COLUMNS (SECTIONS II AND III).

a. ITFM NO. (Column (1) ). Indicates the number used to identify items called out in the illustration.

b. SMR Code (Column (2) ). The Source, Maintenance, and Recoverability (SMR) code is a 5-position code

containing supply/requisitioning information, maintenance category authorization criteria, and disposition instruction, as

shown in the following breakout:

Source

Maintenance

Recoverability

Code

1st two

positions

3rd position

4th position

How you get an item.

Who can install,

Who can do

Who determined

replace or use

complete repair*

disposition action on an

the item

on the item.

unserviceable item.

* Complete Repair: Maintenance capacity, capability, and authority to perform all corrective maintenance tasks of the

"Repair" function in a use/user environment in order to restore serviceability to a failed item.