OPERATOR'S AND UNIT MAINTENANCE
REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
Section I. INTRODUCTION
This RPSTL lists and authorizes spare 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 hydraulic impact wrench. It authorizes the requisitioning, issue, and disposition of spares,
repair parts, and special tools as indicated by the Source, Maintenance, and Recoverability (SMR) codes.
In addition to Section I, Introduction, this RPSTL is divided into the following sections:
a. Section II-Repair Parts List. A list of spare 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.
b. Section Ill-Special Tools List. Not applicable.
c. Section IV-Cross-Reference 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 listing. National Stock Numbers (NSNs) and part numbers are cross-referenced to the
figure and each item number appearance.
D-3. EXPLANATION OF COLUMNS (SECTION II AND SECTION III).
a. ITEM NO. [Column (1)]. Indicates the number used to identify items called out in the figure.
b. SMR CODE [Column (2)]. The SMR code is a 5-position code containing supply/requisitioning information,
maintenance category authorization criteria, and disposition instruction, as shown in the following breakout: