or other DA approved requirements, and
Army operational requirements and will
to be promising enough operationally to
not therefore be counted as assets.
warrant initiating procurement and/or
Items in this category will be limited to--
production for troop issue prior to com-
(a) Those items which are not acceptable
pletion of development and/or test or
to meet an operational requirement
adoption as standard items.
but which may be used in training.
(5) Development Type (DP). These are items
(b) Those which are not acceptable to
of material being developed or tested to
meet an operational requirement of
meet approved qualitative material re-
the U.S. Army but which are being
quirements or small development re-
retained to meet interim contingency
requirements pending availability of a
Standard A or Standard B item
5. Currency of Information
(4) Limited Production Type (LP). These
are items under development, commer-
Information and data in this manual are current
cially available, or available from other
as of the date of basic manual and/or changes.
Government agencies, for which an
6. Omitted data
urgent operational requirement exists
and for which no other existing items are
Where headings are included without data, data
adequate, which appear to fulfill an ap-
anticipated was not available and will appear in a
proved qualitative material requirement
Table of Set or Equipment Indicator Letters
1st letter (designed installation class)
2d letter (type of equipment)
3d letter (purpose)
Type of Equipment
A--Airborne (installed and operated
A--Auxiliary assemblies (not complete
operating sets used with or part
B--Underwater mobile, submarine.
of two or more sets or sets series).
C--Air transportable (inactivated, do
G--Telegraph or teletype.
G-- Ground, general ground use (in-
I--Interphone and public address.
clude two or more ground-type
E--Ejection and/or release.
J--Electromechanical or Inertial
G--Fire control or searchlight directing.
H--Recording and/or reproducing
(graphic meteorological and
M--Ground, mobile (installed as
L--Searchlight control (inactivated,
operating unit in a vehicle
which has no function other
N--Sound in air.
M--Maintenance and test assemblies
than transporting the equip-
P--Pack or portable (animal or
N--Navigational aids (including al-
Q--Sonar and underwater sound.
racons, depth sounding, approach,
S--Special types, magnetic, etc.,
S--Water surface craft.
Not for U.S. use except for assigning suffix letters to previously nomenclature items.