SECTION I. INTRODUCTION - TM-55-1930-202-24P0004

TM 55-1930-202-24P

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 Liquid Cargo Barge, Design 231 B. 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. Cross-references Indexes. 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 number

in alphanumeric sequence and cross references NSN, CAGEC and part number.

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: