TM 55-4920-231-14
REPAIR PARTS AND SPECIAL TOOLS LISTS
(Current as of 27 August 1968)
Section I. INTRODUCTION
1. SCOPE.
This listing includes the repair parts required for the performance of organizational, direct and
general support maintenance of the pitot and static systems tester (FSN 4920-475-7161).
2. GENERAL.
This Basic Issue Items, Repair Parts and Special Tools Listing is divided into the following sections:
a. Basic Issue Items--Section II. (Not applicable.)
b. Maintenance and Operating Supplies--Section III. (Not applicable.)
c. Prescribed Load Allowance--(PLA) Section IV. (Not applicable.)
d. Repair Parts (ORG)--Section V. A list of repair parts authorized for the performance of main-
tenance at the organizational level in alphabetical sequence within each functional group.
e. Special Tools, Test and Support Equipment (ORG)--Section VI. (Not applicable.)
f. Repair Parts (DS/GS)--Section VII. A list of repair pants authorized for the performance of
maintenance at the direct and general support level in alphabetical sequence within each functional
group.
g. Special Tools, Test and Support Equipment (DS/GS)--Section VIII. (Not applicable.)
h. Index--Section IX. This section is divided into the following parts:
(1) Federal Stock Number Index--Part 1. A list of Federal stock numbers in ascending numeri-
cal sequence appearing in all listings cross-referenced to figure and item number.
(2) Reference Number Index--Part 2. A list of reference numbers in alpha-numerical sequence
appearing in all listings cross-referenced to manufacturer's code and figure and item number.
3. EXPLANATION OF COLUMNS.
The following provides an explanation of columns in the tabular lists in Sections V and VII.
a. Source, Maintenance, and Recoverability Codes (SMR).
(1) Source Code. Indicates the selection status for the listed item, The source code used is:
Code
Explanation
Code
Explanation
P
Applies to repair parts which are stocked in
Supply System and are authorized for use
or supplied from General Services Admin-
at indicated maintenance categories.
istration/Defense Supply Agency or Army
( 2 ) Maintenance Cods. Indicates the lowest category of maintenance authorized to install the
listed item. The maintenance level codes used are:
Code
Explanation
Explanation
Code
F
Direct Support Maintenance
O
Organizational Maintenance