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INTEGRATED STOCK LIST.— The ISL is
an integrated stock list, in NIIN sequence, of the
combined SNSLs (section A only) of the
electronic, hull, mechanical, electrical, and
ordnance segments of the COSAL, updated to
support the changes made in configuration during
the overhaul and to reflect additional support
justified by the ship’s own demand data. The ISL
is, in effect, the postoverhaul SNSL and should
be treated as the primary allowance list. A
maximum of nine APL applications will be listed
in the ISL for each NSN. However, every APL
number supported by repair parts in the ISL is
listed in the ISL summary of effective APLs.
When additional configuration changes occur
after the input cutoff date for the ISL, the ILO
team will forward the changes to the Naval Supply
Center, Puget Sound, at the end of the overhaul.
UPDATING THE ISL AT END OF SUPPLY
OVERHAUL.— The Naval Supply Center, Puget
Sound, will retain the magnetic tape record used
to produce the ISL and will receive and process
input from the ILO team for changes in require-
ments occurring after development of the ILO
package. If supplemental data has not been
received 60 days after the end of overhaul, the
Naval Supply Center, Puget Sound, will request
the activities, as applicable, to advise if changes
will be forthcoming. If there are no changes, the
ISL provided in the ILO package will reflect the
latest support requirements. If changes have
occurred and were reported, the Naval Supply
Center, Puget Sound, will print a postoverhaul
ISL and provide two copies to the ship and one
copy to the applicable ILO team.
SHIPYARD AVAILABILITY PERIOD
THAT DOES NOT INCLUDE
AN ILO
This section defines the responsibilities and
procedures for updating the COSAL during
various availability periods when an allowance
branch of an NSA assists the ship to meet its
responsibilities. These availabilities include but are
not limited to the following:
RAV—Restricted Availability
TAV—Technical Availability
FOA—Fitting Out Availability
PSA—Post Shakedown Availability
SRA—Selected Restricted Availability
If an NSA is not involved in a ship’s
availability period, the procedures for updating
the COSAL are the same as the ship’s operating
cycle. For example, during a tender/SIMA
availability, access to an NSA is not available or
deemed necessary because the number of
equipment/component changes made by a tender
or SIMA is usually small. Therefore, the ship’s
operating cycle procedures are used.
If an NSA is involved in an availability period
such as a selected restricted availability, the NSA
assists the ship in basically the same manner as
the overhaul procedures. The NSA provides
assistance and performs certain functions such as
documenting configuration changes on an SLCC,
identifying APLs for equipment, and providing
copies of APLs to update the COSAL.
The one exception is that during an availability
period an ILO is not normally conducted and,
therefore, the ILO team is not updating the
COSAL. In this case, the aids to update the
COSAL
are
sent
to
the
ship
and
the supply officer must determine allowance
changes, order deficiencies, and update the
retained portions of the COSAL not held by the
NSA.
Specific responsibilities and procedures to be
used during an availability period without a
concurrent ILO are now discussed.
Start of Availability
Upon arrival and on request by the NSA, the
ship provides the Design and Allowance Branch
a copy of part I and part II of the COSAL. This
copy includes any SLCC/SLEC not superseded
by a revised COSAL Index from the SPCC. The
SOAPL and section A and B Indexes show all
changes since the documents were published. The
ship reflects the current APL/AEL/AAP
allowance lists that apply to the ship’s
configuration.
Naval Supervising Activity
The NSA uses the copy of the COSAL
provided by the ship to verify all configuration
changes reported by the ship, contractors, and
shipyard. The NSA validates and documents all
configuration changes as they occur.
Configuration Change Documentation
During the shipyard availability, the NSA
allowance section serves as the focal point for
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