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Specific Commodity Inventory
The specific commodity inventory is a physical
count of all items under the same cognizance symbol,
Federal supply class, or which support the same
operational function, such as boat spares, electron tubes,
boiler tubes, or fire brick. This type of inventory is
performed under the same conditions as a bulkhead to
bulkhead inventory.
However, prior knowledge of
specific stock numbers and item locations is required to
perform a specific commodity inventory.
Special Material Inventory
A special material inventory requires the physical
count of all items that are specifically selected for
separate identification and inventory control. These
items may be selected because of their physical
characteristics, costs, mission essentiality, criticality, or
other masons. Special material inventories include, but
are not limited to, stocked items designated as classified
or hazardous. Special material inventories also include
controlled equipage and presentation silver. Physical
inventory of such material is required on a scheduled
basis as precribed by the NAVSUP P-485.
Spot Inventory
A spot inventory is an unscheduled type of physical
inventory performed to verify the existence of a specific
stock item. The inventory is performed as the result of
a total not in stock (NIS) indication in the issue request
when the verified stock record for the requested item
shows an on-hand balance. A spot inventory also is
performed to determine the on-hand quantity of a
particular item when requested by the commanding
officer, a fleet or type commander, a cognizant
inventory manager, or other competent authority. For
example, the commanding officer may request the
physical inventory of any item that he considers to be
highly essential to prospective operations. A fleet or
type commander may need to have total asset visibility
of a particular critical item, or an inventory, disposition
and report of certain items which, after distribution
within the supply system, are found to be defective.
Velocity Inventory
A velocity inventory is based on the premise that
inaccuracies of stock record balances for any item
increases with issue frequency. This means that most
of the physical inventory effort should be concentrated
on frequently demanded items. A velocity inventory,
requires a periodic physical count of all stock items that
experience relatively frequent demands (fast movers),
and a physical count of items that experience infrequent
or no demands (slow movers) only when such items are
issued. Periodic inventories of selected item
management (SIM) items and post-issue inventories of
non-SIM items, respectively, are examples of velocity
inventories.
Random Sampling Inventory
The random sampling inventory is considered to be
part of the annual scheduled inventory program. It is
used only on authorized ships (automated special
accounting class 207). A random sampling inventory
is a measure of the stock record accuracy for a segment
of material based on the physical count of a specified
number of randomly selected items within the segment.
Guidelines for conducting a physical inventory by the
random sampling method are outlined in the NAVSUP
P-485.
PHYSICAL INVENTORY SCHEDULES
Inventory schedules outline, in chronological
sequence, the segments of material planned for physical
inventory during a fiscal year. The inventory schedule
is prepared by the supply officer prior to the
commencement of each fiscal year. For stock material
in department custody, the inventory schedule reflects
the time frames jointly determined by the supply officer
and the respective department head. An example of an
inventory schedule is shown in figure 7-1. Refer to the
NAVSUP P-485 for scheduled inventory requirements.
INVENTORY PERSONNEL
The supply officer is responsible for an accurate
physical inventory of stock material and controlled
equipage in supply department custody. The supply
officer also provides advisory assistance for inventories
of material in the custody of other departments.
Qualified personnel used for inventorying material in
the supply department are assigned by supply
department memorandum. The Storekeeper in charge
of each storeroom is usually responsible for the
inventory of material in that storeroom.
PREPARATION FOR INVENTORY
Before inventory, all receipt and expenditure
documents concerning the material to be inventoried
must be collected and posted to the stock record cards.
7-2
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