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The quantity of each item in the custody of another
department, plus the on-hand quantity of any
“backup” stock in supply department storerooms,
must not exceed the ship’s prescribed stockage
objective. IMA technical stores will not include
MTR items, critical items, or PEB items. They
also do not include bulkhead mounted spares or
bulky consumables which are otherwise
authorized to be stored in other departmental
spaces.
INTERMEDIATE PACKAGE—The consolidation
of two or more unit packages for ease in handling,
storage, and shipping by the use of tie, wrap, bag,
or interior containers, limiting the weight to 35
pounds, when possible.
INTRA—Within. Used in supply operations to refer
to relationships or transactions entirely within one
organization (intraship, intraservice, intrastate,
etc.).
INVENTORY—The quantity of stocks on hand for
which stock records (cards/listings/tape) are
maintained. It also means that the material on
hand is physically inspected and counted, and
stock records reconciled.
INVENTORY CONTROL—Information in
connection with material as to amounts on hand,
amounts on order, rate of consumption, and
prospective future rate of consumption.
INVENTORY SEGMENT—A subgrouping of stock
material for physical inventory purposes. The
segment may be by cognizance symbol, or Federal
supply class. The segment may be some other
form of commodity grouping, like SIM items,
shelf-life material, boat spares, electron tubes,
boiler tubes, fire brick, and so on.
ISSUE—Expenditure of material from the supply
officer’s custody to shipboard use.
LOW LIMIT—The stock position that signals the
need to initiate replenishment action. It includes
the sum of stocks represented by the safety level
and the order and shipping time (equivalent to
“reorder point”).
JTR—Joint Travel Regulations, volume 1, Members
of the Uniformed Services and volume 2, Civilian
Personnel.
MAINTENANCE ASSISTANCE MODULES
(MAMS)—Replaceable assemblies (modules)
needed to perform an approved maintenance plan
which calls for identifying the fault of failed
module through progressive and/or selective
module substitution. MAMs are found in the
COSAL.
MAINTENANCE DATA SYSTEM (MDS)—A
basic element of the 3-M program. It provides a
means of recording maintenance actions in great
detail. In addition to recording maintenance
actions performed, the system provides data about
the initial discovery of the malfunction, such as
how the equipment malfunctioned, how many
man-hours were expended, what equipment was
involved, what repair parts and materials were
used, what delays were incurred, the reasons for
delay, and the technical specialty or rating that
performed the maintenance.
MAINTENANCE AND MATERIAL MANAGE-
MENT (3M)—A system of recording, reporting,
and evaluating the maintenance requirements of
the fleet.
MAINTENANCE SOURCE CODE—A code that
identifies the source of parts or other materials
obtained from other than normal supply channels.
When applicable, it is entered on NAVSUP Form
1250-1 or DD Form 1348 to document and report
the use of nonissued maintenance items.
Maintenance source codes are found in the
NAVSUP P-485.
MANDATORY TURN-IN—A term applied to
designated repair parts and components and which
requires that the defective item be turned in when
a replacement is ordered
MANIFEST—A detailed listing by type of all cargo
loaded in any one conveyance destined for a
particular discharge point.
MARKING—The application by stamping, printing,
painting, labeling or tagging of numbers, item
name, NSN, symbols, or colors on containers and
items for identification during shipment,
handling, and storage.
MATERIAL CONTROL CODE—A one-letter code
assigned by the inventory manager to indicate the
rate of usage or to designate those items having
special reporting and/or control requirements.
MCRL—Master Cross-Reference List. A conversion
list from reference to NSN.
AI-5
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