OPERATOR'S AND AVIATION UNIT MAINTENANCE
REPAIR PARTS AND SPECIAL TOOLS LIST
SECTION I. INTRODUCTION
This RPSTL lists and authorizes spares and repair parts required for performance of Aviation Unit maintenance of the
Helicopter Internal Cargo Handling Systems (HICHS). It authorizes the requisitioning, issue, and disposition of spares
and repair parts as indicated by source, maintenance, and recoverability (SMR) codes.
In addition to Section I, Introduction, this Repair Parts and Special Tools List is divided into the following sections:
Section II Repair Parts List. A list of spares and repair parts authorized by this RPSTL for use in the
performance of maintenance. Parts lists are composed of illustration figures in ascending numerical sequence.
Section III - Special Tools List. Not applicable.
Section IV National Stock Number and Part Number Index. A list, in National item identification number (NIIN)
sequence, of all National stock numbers (NSN) appearing in the listings, 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).
ITEM NO. (Column (1)). Indicates the number used to identify items called out in the illustration.
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: