Section I. INTRODUCTION - TM-9-4520-251-24P0010

TM 9-4520-251-24P

ORGANIZATIONAL,

DIRECT

SUPPORT,

AND

GENERAL

SUPPORT

MAINTENANCE

REPAIR

PARTS

AND

SPECIAL

TOOLS

LIST

(INCLUDING

DEPOT MAINTENANCE REPAIR

PARTS

AND SPECIAL TOOLS)

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 organizational, direct

support, and general support ,including Depot maintenance, of the 400,000 BTU heater. 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. The 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. Repair parts kits are listed separately in their own functional group within Section II. Repair parts

for repairable special tools are also listed in this section. Items listed are shown on 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. National Stock Number and Part Number Index. A list, in National item identification

number (NIN) 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.

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

a ITEM 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: