S L - 4 - 8 1 2 8 3C
U N I T , D I R E C T S U P P O R T A N D G E N E R A L S U P P O R T
M A I N T E N A N C E R E P A I R P A R T S A N D S P E C I A L T O O L S L I S T
S e c t i o n I . I N T R O D U C T I ON
SCOPE. This RPSTL lists and authorizes spares and repair parts; special tools; special test, measure-
ment, and diagnostic equipment (TMDE); and other special support equipment required for performance of
unit, direct support, and general support maintenance of the Engine, Gasoline 1- 1/2 Hp Military Standard
Models. It authorizes the requisitioning, issue, and disposition of spares, repair parts and special tools as
indicated by the source, maintenance and recoverability (SMR) codes.
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. This 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 are shown in the associated
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) se-
quence, of all National stock numbered items appearing in the listing, followed by a list in alphanumeric se-
quence of all part numbers appearing in the listings. National stock numbers and part numbers are cross refer-
enced 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.
EXPLANATION OF CO LUMNS (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-posi-
tion code containing supply/requisitioning information, maintenance category authorization criteria, and dis-
position instruction, as shown in the following breakout:
How you get
Who can install
replace or use the
i t e m
Who can do
on the item