Volume 1 of 2
MIL-HDBK-162A
APPENDIX A
15 December 1965
NAVY MODEL LETTER SYSTEM (cont'd)
Model Letter
Model Subseries
Type Equipment
Remarks
Series
--------------
DX--------------
Assembled Direction Finder Equipments----
DF assemblies which
when used with a
standard receiver
form a complete
DF equipment.
E-------------
------------------
Emergency Power Equipment--------- ---
Gasoline or Diesel
Engine Generator
Sets.
F-------------
------------------
Radar Fire Control Equipment------------
"F" Series super-
seded by the
BUORD RADAR
MARK-MOD-
Series.
------------------
---------------------------------------------
Subseries of "F"
Series in use for
other than Fire
Control Radar.
FP------------ --
Facsimile Recording Equipment ---------
FQ--------------
Facsimile Scanning Equipment ----------
FR--------- ---- -
Frequency Shift Receiver Converter
------------------
Equipment -------------------------------
FS---------- ----
Frequency Shift Keying Equipment-
G ------------
------------------
Airborne Radio Transmitting Equipment
Classification can-
celled- Reassigned
---------------------------------------------
"AT" Series.
H ------------
------------------
Hoist Train Mechanism---------------------
Canceled - Hoist
Train Mechanism
considered as part
of an equipment.
I--------------
------------------
Intercept Radar- -----------------------------
J -------------
------------------
Sonar-Sound Listening (Receiving)
L -------------
------------------
Precision Calibrating Equipment ---------
M ------------
------------------
Radio Transmitting and Receiving
--------------
------------------
Equipment
Radar-------
------------------
Radar Fire Control Equipment------------
Equip.
Mark--
Mod--
N ------------
------------------
Sonar Echo Sounding
NA--------------
Sonar Beacon.
NG----------- --
Echo Sounding (Rochelle Salt).
NK--------------
Portable Echo Sounding Recording.
NJ---------- ----
Lightweight Echo Sounding Recording.
NM------------ -
Echo Sounding (Magnetostriction).
O ------------
------------------
Measuring, Test and Operator Trainer Equip-
ments for Models OA to OCZ inclusive.
For Models OCZ, on the subseries break-
down is as follows:
OE---------- ---
Xmtr and/or Rec. Analyzers.
Vacuum Tube Voltmeters.
Volt-Ohm-Milliammeters.
OF--------------
Echo Boxes, Wavemeters, Frequency
Meters (Non-Precision).
1A-14
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