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(3)
Assemblies, subassemblies, and detail parts subject to modification, deletion, addition, or
replacement by an issued service bulletin, are annotated to indicate both pre- and post-
service bulletin configurations. The term (PRE SB XXXX) in the "Nomenclature" column
designates the original configuration, and the term (POST SB XXXX) identifies assemblies and
parts after the modification has been completed.
(4)
The terms defined below are used when applicable to indicate the interchangeability of parts.
TERM
Alternate
Superceded By
Supersedes
Replaced By
Replaces
SUBTASK 25-62-03-990-004
D.
UPA (Units Per Assembly) Column
(1)
The quantity shown in this column represents the units required for one next higher assembly
or, when referring to attaching parts, the quantity to attach one such item.
(2)
The abbreviation RF (reference) indicates the end item assembly is listed for reference
purposes.
COBHAM AVIONICS WULFSBERG ELECTRONICS
ABBREVIATED COMPONENT MAINTENANCE MANUAL
B406-4 (453-5004)
ABBREVIATION
ALT
SUPSD BY
SUPSDS
REPLD BY
REPLS
DEFINITION
The listed part is alternate to, and interchangeable
with, other parts within the same item number
variant group or other item numbers if
designated.
The part is replaced by and is not interchangeable
with the item number designated in the notation.
The part replaces and is not interchangeable with
the item number designated in the notation.
The part is replaced by and is interchangeable
with the item number designated in the notation.
The part replaces and is interchangeable with the
item number designated in the notation.
25-62-03
Page 82 of 86
APR 06/10
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