Section I: INTRODUCTION

TM 11-5815-334-20P-1

SECTION I

INTRODUCTION

1. Scope

This manual lists and authorizes spares and repair parts; special tools; special test, measurement, and diagnostic

equipment (TMDE); and other special support equipment required for performance of organizational maintenance

of the AN/GRC-142B. It authorizes the requisitioning, issue, and deposition of spares, repair parts and special

tools as indicated by the source, maintenance and recoverability (SMR) codes.

2. General

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. The list also includes parts which must be removed for replacement of the authorized

parts. Parts list are composed of functional groups in ascending numeric sequence, with the parts in each group

listed in ascending item number sequence. Figure numbers are listed directly beneath the group header.

b. Section III. Special Tools List. Not applicable.

c. Section IV. Illustrations. Located at the end of section II.

d. Section V. National Stock Number and Part Number Index. A list, in National item identification number

(NIIN) sequence, of all National stock numbered items appearing in the listing, followed by a list in alphameric

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.

3. Explanation of Columns (Section II and Ill)

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 five-position code

containing supply/requisitioning information, maintenance category authorization criteria, and disposition instruc-

tion, as shown in the following breakout:

RecoverabiIity

Maintenance

Source

Code

1 st two

positions

Who determines

4th position

How you get an item.

3rd position

disposition

action on an

Who can do

Who can install,

unserviceable

complete repair

replace or use

item.

(see note)

the item.

on the item.