STANDARD AIRCRAFT MAINTENANCE TRAILER
PART NO. 4920-EG-081 NSN 1730-01-086-1653
REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
This RPSTL lists and authorizes spares and repair parts, special tools, special test measurement and diagnostic equip-
ment (TMDE) and other special support equipment required for performance of the Standard Aircraft Maintenance
Trailer. 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 the Introduction work package, this RPSTL is divided into the following work packages.
1. Repair Parts List Work Packages. Work packages containing lists of spares and repair parts authorized by
this RPSTL for use in the performance of maintenance. These work packages also include parts which must be re-
moved for replacement of the authorized parts. Parts lists are composed of functional groups in ascending alphanu-
meric sequence, with the parts in each group listed in ascending figure and item number sequence. Sending units,
brackets, filters, and bolts are listed with the component they mount on. Bulk materials are listed by item name in FIG.
BULK at the end of the work packages. Repair parts for reparable special tools are also listed in a separate work pack-
age. Items listed are shown on the associated illustrations.
2. Special Tools List Work Packages. Work packages containing lists of special tools, special TMDE, and spe-
cial support equipment authorized by this RPSTL (as indicated by Basis of Issue (BOI) information in the DESCRIP-
TION AND USABLE ON CODE (UOC) column). Tools that are components of common tool sets and/or Class VII are
3. Cross-Reference Indexes Work Packages. There are two cross reference indexes work packages in this RP-
STL: the National Stock Number (NSN) Index work package and the Part Number (P/N) Index work package. The Na-
tional Stock Number Index work package refers you to the figure and item number. The Part Number Index work pack-
age refers you to the figure and item number.
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK PACKAGES
ITEM NO. (Column (1)).
Indicates the number used to identify items called out in the illustration.
SMR CODE (Column (2)). The SMR code containing supply/requisitioning information, maintenance level autho-
rization criteria, and disposition instruction, as shown in the following breakout:
1st two positions: How to
3rd position: Who can
4th position: Who can do
5th position: Who
get an item.
install, replace, or use the
complete repair* on the
action on unserviceable
* Complete Repair: maintenance capacity, capability, and authority to perform all corrective maintenance tasks of
the "Repair" function in a sue/user environment in order to restore serviceability to a failed item.
Source Code. The source code tells you how you get an item needed for maintenance, repair, or overhaul of an end
item/equipment. Explanations of source codes follow: