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| TM 11-4920-296-14&P
ILLUSTRATED PARTS BREAKDOWN
SECTION I
INTRODUCTION
SCOPE .
6-1.
breakdown of the test set in disassembly
sequence, The parts list includes the part
6-2. This section lists, describes, and
numbers, descriptions, manufacturer's
Federal Supply Codes, units per assembly,
illustrates assemblies, subassemblies, and
and usable on codes. Explanations of col-
detail parts for Transponder Set Test Set
umnar data provided in the GAPL are pre-
AN/APM-378.
sented in the following paragraphs.
PURPOSE AND USE.
6-9. Figure and Index Number. This col-
6-4. The purpose of this Illustrated Parts
umn contains the numerically arranged
figure numbers for each illustration. Within
Breakdown (IPB) is to provide a list of
each figure, numerically arranged index
items necessary for the support of the test
numbers are assigned to aid in locating a
set. This section is for use in requisition-
ing,- storing, issuing, and identifying parts
part in the GAPL and the associated illus-
a n d consists of the following sections:
trations.
S e c t i o n I - Introduction
6-10. Part Number Column. The numbers
listed in the Part Number column are either
Section II - Group Assembly
the contractor's assigned numbers, Govern-
Parts List
ment standard numbers (AN, MS, etc.), or
Section III - Numerical Index
vendor part numbers.
Section IV - Reference Designation
6-11. Description Column. Descriptions
Index
include appropriate nomenclature to define
the items. Entries are numerically indented
SECTION I. INTRODUCTION.
6-5.
to indicate assembly relationships: the next
higher assembly (NHA) for each listed item
6-6. The intoduction consists of general
may be obtained by referring to the first
instructions for the use of this Illustrated
indenture above and to the left. The paren-
Parts Breakdown, definitions of the usable
thetic designation code (AP) following the
on codes, and a complete list of vendors
description of a part, indicates that the spe-
supplying items not carried under the prime
cific part is used to attach the items immed-
contractor's part number, together with
iately preceding the designated part in the
associated Federal Supply Codes. A list
GAPL.
of applicable change directives (the parts
information of which has been incorporated
into this IPB) is listed in Section 1 `of this
6-12. Units Per Assembly Column. The
manual.
quantities listed in this column are only the
quantities used on one next higher assembly
at the location indicated. These quantities
SECTION II. GROUP ASSEMBLY
6-7.
are not necessarily the total used per test
PARTS LIST.
set.
6-13. Usable on Code Column. Variations
6-8. GENERAL. The Group Assembly
P a r t s List (GAPL) is an illustrated
within assemblies and subassemblies of the
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