Section I. INTRODUCTION
1. Scope . This manual lists spares and repair parts that
are required for maintenance of the Radio Frequency
Plug-In, Weinschel Engineering Model 437A.
authorizes the requisitioning and issue of spares and
(1) Source Code. Source codes indicate the
repair parts as indicated by the source and maintenance
manner of acquiring support items for maintenance,
repair, or overhaul of end items. Source codes are
entered in the first and second positions of the Uniform
2. General . This repair parts and special tools list
SMR Code format as follows:
(RPSTL) is divided into the following sections:
a. Section I. Introduction.
Item procured and stocked for anticipated or
b. Section II. Repair Parts List. A list of spares
and repair parts authorized for use in the performance of
maintenance. The list also includes parts which must be
Item procured and stocked for insurance
removed for replacement of the authorized parts. Parts
purpose because essentiality dictates that a
lists are composed of functional groups in numeric
minimum quantity be available in the supply
sequence, with the parts in each group listed in figure
and item number sequence. Bulk materials are listed in
National Stock Number (NSN) sequence.
Item procured and stocked and which otherwise
would be coded PA except that it is deteriorative
c. Section III. NSN and Part Number Index. A list,
in National Item Identification Number (NIIN) sequence,
of all NSN's appearing in the listings, followed by a list in
Support item, excluding support equipment,
alphameric sequence of all part numbers appearing in
procured for initial issue or outfitting and stocked
NSN's and part numbers are cross-
only for subsequent or additional initial issues or
referenced to each illustration figure and item number
Not subject to automatic
3. Explanation of Columns
Support equipment procured and stocked for
initial issue or outfitting to specified maintenance
a. Illustration. This column is divided as follows:
(1) Figure Number.
Indicates the figure
Support equipment which will not be stocked but
number of the illustration on which the item is shown.
which will be centrally procured on demand.
(2) Item Number.
The number used to
identify item called out in the illustration.