MIL-HDBK-162A
Volume 1
15 December 1965
Section 2
ITEM NAME: RADAR SET
TYPE: AN/APS-33D
minute at 60 sector
Operating Pressure: 15 plus or minus
Manual Beam Tilt Range: plus 10 to -20
2 psi
Duty Cycle: 75% max at sea level
Beam Tilt (Line of Sight) Stabilization
Range: plus 30 to -30 w/manual tilt
Pressure Switch Control: Automatic
setting of 0
Azimuth Motor: 27.5v dc, shunt wound,
INSTALLATION CONSIDERATIONS
1/20 hp, carbon-pile regulated at slow speed
Related Equipment
400 cyc, 115v
Required but not Supplied: (1) Power Supply
(115v, 380 to 1600 cyc, 1-ph, 1500 va,
Directional Coupler: 25 db fixed attenuation,
w/power factor between 95% lagging and
15 db front to back (directivity) attenuation
95% leading); (1) Power Supply (27.5v dc,
Reflector Dish Gain: 1300
1100w at room temperature); (1) Power Supply
Pressurizing Unit HD-16/AP
(115v, 400 cyc, 1-ph, 50 va); (1) Flux-Gate
Compass Mfg by Eclipse Pioneer.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
OVERALL DIMENSIONS
UNIT WT.
(Inches)
(Pounds)
Transmitter-Receiver
1
8-5/16 x 19-3/4 x 19-3/4
48.50
RT-247/APS-31B
Directional Coupler
1
2-1/4 x 6-1/16 x 7
1.00
CU-106A/APS-33
Pressurizing Unit HD-16/AP
1
3-9/16 x 4-1/8 x 10-1/4
3.50
Servo Amplifier AM-113/APS-33
1
4-3/8 x 5-7/8 x 12-1/2
11.00
Antenna Assy AS-378/APS-33A
1
28-1/4 x 36-3/4 x 45
85.00
Modulator MD-60A/APS-31
1
18 x 22-1/2 x 22-1/2
91.00
Visor MX-511/APS-31
2
5-5/8 x 6-3/8 x 10-7/8
0.56
Mounting MT-446/APS-31
2
5-7/8 x 6-11/16 x 7-7/16
0.63
Indicators ID-162A/APS-31
2
7 x 7-13/16 x 15-11/16
14.25
Mounting Plate
2
3/8 x 1-5/8 x 6-1/8
0.13
MT-445/APS-31
Synchronizer SN-36A/APS-31
1
10-3/8 x 10-11/16 x 21-7/8
42.50
Mounting Base MT-447/APS-3
1
2-1/2 x 11-7/16 x 23-7/8
4.13
Blower Units HD-15/U
2
5-1/4 x 5-11/16 x 7-7/16
3.19
Gyroscope Unit CN-51/APS-31
1
7-5/8 x 9-1/8 x 12-13/16
10.50
Junction Box $-164/APS-31
1
1-13/16 x 2-7/8 x 3-3/8
0.60
Variable Autotransformer
1
3-5/8 x 5 x 7-1/8
2.44
TF-106A/U
True Bearing Amplifier
1
5-5/16 x 6-1/8 x 7-11/16
7.31
AM-110A/APS-33
AN/APS-33D: 3
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