ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
C406-2 (453-5000), C406-2HM (453-5001)
570-5000 Rev. U
Company Confidential
25-62-11
Page 63 of 66
4)
The terms defined below are used when applicable to indicate the interchangeability of parts.
TERM
ABBREVIATION DEFINITION
Alternate
ALT
The listed part is alternate to, and
interchangeable with, other parts within the
same item number variant group or other
item numbers if designated.
Superceded By SUPSD BY
The part is replaced by and is not
interchangeable with the item number
designated in the notation.
Supersedes
SUPSDS
The part replaces and is not interchangeable
with the item number designated in the
notation.
Replaced By
REPLD BY
The part is replaced by and is
interchangeable with the item number
designated in the notation.
Replaces
REPLS
The part replaces and is interchangeable
with the item number designated in the
notation.
SUBTASK 25-62-11-990-004
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.