Consumables: Administrative and house-
as arming device, instrument rack, prepack,
anchor, etc.).
keeping items, common tools, paints (not
associated with the maintenance of mines),
3. A s s e m b l y : A n u m b e r o f p a r t s o r
cognizance symbol 1I forms, or any other items
subassemblies or any combination thereof
not specifically defined as equipage or repair
j o i n e d t o g e t h e r t o p e r f o r m a s p e c i fi c
parts.
function. In the Mine Force, this is a mine.
End item: A combination of products, com-
4. Unit: An assembly or any combination of
ponent parts, or materials that is ready for its
parts or subassemblies, mounted together,
final intended use.
that is normally capable of independent
Replacement item: A different item supplied as
operation in a variety of situations (such as
hydraulic jack, electric motor, electronic
a spare or repair part in place of the originally
used part. Replacement items are not necessarily
power supply, electric generator, etc.). The
interchangeable with the items they replace; they
size of an item is a consideration in some
may be of better quality or may have greater
cases. An electric motor for a clock may be
capacity than the items replaced. Replacement
considered as a unit; it is not normally subject
items are not substitutes because they are
to disassembly.
supplied on a continuing basis.
5. Group: A collection of units, assemblies, or
Equivalent item: An item that is similar to
subassemblies that is a subdivision of a set or
another item to the extent that its characteristics
a system, but is not capable of performing a
a r e i n s t r i c t c o m p l i a n c e w i t h d r aw i n g s ,
complete operational function.
s p e c i fi c a t i o n s , s t a n d a r d s , p e r f o r m a n c e
Equipage: Non-installed and relatively durable
qualification tests, within limits, or tolerances
items that are located in operating spaces or
and compounds specified therein. Repairable
other designed areas to support recurring
a s s e m b l i e s a r e e q u iva l e n t o n l y i f t h e i r
operational, maintenance, or administrative
"purchased repairable parts" and performance
functions or to provide for the health, comfort, or
are also equivalent.
safety of the crew. (Equipage does not include
Interchangeable item: A non-equivalent item
installed mechanical, electrical, ordnance, or
that is used in place of another item in all
electronic equipments, components, or
applications.
systems.) Chargeable items of equipage are
i d e n t i fi e d i n p r o c u r e m e n t , r e c e i p t , a n d
Substitute item: An item authorized for a
consumption documents by the letter E in the
one-time use in place of another item, based on a
second position of the applicable fund code. See
specific application and request. (Equivalent and
Financial Management of Resources, NAVSO
interchangeable items are not included in this
P-3013-2. Controlled equipage refers to those
category.) No substitute will be used that might
items of equipage that require special
adversely affect any one of the following factors:
management control because the material is (1)
(1) safety of flight; (2) efficient functioning of
essential for the protection of life or (2) relatively
performance of any aircraft, engine, accessory,
valuable and easily convertible to personal use.
or equipment; (3) manufacturer's guarantee or
Generally, controlled equipage is carried on
warranty; (4) delicate, sensitive, or critical
board in allowance quantities only. It requires
assemblies; or (5) assemblies subject to
special inventory control according to chapter 6
environmental conditions, high speed, or high
o f NAV S U P P - 4 8 5 . I t e m s c l a s s i fi e d a s
loads.
controlled equipage are listed in appendix 11 of
NAVSUP P-485.
PROCUREMENT RESPONSIBILITY
Repair part: Any item (including modules and
consumable materials) that has an application
Procurement is the act of obtaining materials or
and appears in an APL, a stock number sequence
services, using appropriate funds, by requisition or
list (SNSL), an integrated stock list (ISL), or a
open purchase. The most frequently used of these
manufacturer's handbook.
methods is the requisition. The open purchase is used
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