AVIATION UNIT AND INTERMEDIATE MAINTENANCE
REPAIR PARTS AND SPECIAL TOOLS LIST
(INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOL LIST)
SECTION I. INTRODUCTION
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 and depot maintenance of Aviation
Unit Maintenance (AVUM), Aviation Intermediate Maintenance (AVIM) and Depot Maintenance Work Requirements
(DMWR) of the Gas Turbine Engine Assembly. It authorizes the requisitioning, issue and disposition of spares, repair
parts and special tools as indicated by the source, maintenance and recoverability (SMR) codes.
For detailed information concerning AVUM/AVIM Maintenance concept, refer to TM 55-2835-209-23,
In addition to Section I, Introduction, this Repair Parts and Special Tools List (RPSTL) is divided into the following
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 a computer generated index number
sequence. Repair parts kit are listed at the end of the applicable figure within Section II. Items listed are shown on the
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.
Section IV. Cross-Reference Indexes. A list, in ascending National Item Identification Number (NIIN)
sequence, of all National stock numbered items 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. The figure and item number index lists figure and item numbers in
alphanumeric sequence and cross-references NSN, CAGE and part numbers.