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CHAPTER 2
COSAL
The Coordinated Shipboard Allowance List
(COSAL) is a technical and management
document, The COSAL is a technical document
to the extent that equipment, component, part
nomenclatures, operating characteristics, and
technical manuals are described in allowance parts
lists (APLs) or allowance equipage lists (AELs).
This supply document lists the items required to
achieve maximum, self-supporting capabilities for
an extended period of time. The COSAL provides
the ship with basic guidance for determining items
that should be stocked by supply or held in the
custody of other departments. That is why
changes are incorporated promptly and properly
upon receipt. Corrective action is to be taken
when determined that any part of the COSAL is
inaccurate and incomplete.
The COSAL will specify the range and depth
of all equipment validated to be on board your
ship or station. This information is maintained
for every activity and ship in the weapons system
file (WSF).
This chapter discusses how to maintain the
COSAL, make configuration and allowance
changes, and update the COSAL.
COSAL MAINTENANCE
Proper maintenance of the ship’s COSAL is
vital to adequate support of installed shipboard
equipment. Once a ship’s installed equipment has
been validated, reported, and reflected in an
updated COSAL, the supply officer has the
responsibility to make sure any later equipment
installations, removals, or changes are reported
to the cognizant inventory control point (ICP) and
type commander (TYCOM) and the ship’s
COSAL is revised accordingly. When changes are
done between overhauls, the ship has the
responsibility to initiate the reports and update
the COSAL.
COSAL maintenance is a very important task.
The person you make responsible for maintaining
the ship’s COSAL should be one of your sharpest
personnel. There is not any way to emphasize
enough just how important it is to maintain an
accurate and up-to-date COSAL.
COSAL maintenance includes reporting con-
figuration changes, processing changes, and
detecting inconsistencies between the COSAL and
other ship’s selected records. This also includes
reporting conditions that adversely affect the
shipboard maintenance effort when they are
discovered.
REPORTING CONFIGURATION
CHANGES AND SUPPORT
PROBLEMS
COSAL maintenance is the dual responsibility
of the maintenance and supply personnel. The
maintenance technician is most aware of what is
happening to his or her equipment. Therefore, the
technician is the primary reporting source and
must be able to detect and report his or her
maintenance support problems. The methods he
or she can use are discussed later in this chapter.
Supply personnel must process these COSAL
reports promptly. The supply officer or the
leading Storekeeper should make sure these
reports are filled out correctly before submission.
Configuration Changes
To enable the allowance list maintenance
activity to prepare and publish timely COSAL
revisions that reflect a ship’s configuration
change, it is essential for each equipment/
component installation, removal, or modification
done between regular overhauls to be promptly
reported using a ship’s Configuration Change
Form (CCF), OPNAV Form 4790/CK, per the
Ships’ Maintenance and Material Management
(3-M) Manual, OPNAVINST 4790.4.
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