MIL-HDBK-162A
Volume 1
15 December 1965
Section 2
ITEM NAME: RADAR SET
TYPE: AN/APS-33A
Azimuth Motor: 27.5v dc, shunt wound,
INSTALLATION CONSIDERATIONS
1/20 hp, carbon-pile regulated at slow
speed
Related Equipment
Required but not Supplied: (1) Power
400 cyc, 115v
Supply (115v, 380 to 1600 cyc, 1-ph,
Directional Coupler: 25 db fixed attenuation,
1500 va, w/power factor between 90%
15 db front to back (directivity)
lagging and 95% leading; (1) Power
Supply (27.5v dc, 110w at room temperature);
Reflector Dish Gain: 1300
(1) Power Supply (115v,
Pressurizing Unit HD-16/AP
400 cyc, 1-ph, 50 va); (1) Flux-Gate
Operating Pressure: 15 plus or minus 2
Compass Mfg by Eclipse Pioneer.
psi
Duty Cycle: 75% max at sea level
Pressure Switch Control: Automatic
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
OVERALL DIMENSIONS
UNIT WT.
(Inches)
(Pounds)
Synchronizer SN-36A/APS-31
1
10-11/16 x 10-3/8 x 21-7/8
42.50
Mounting Base MT-447/APS-31
1
2-1/2 x 11-7/16 x 23-7/8
4.13
Indicator ID-162A/APS-31
2
7 x 7-3/16 x 15-11/16
14.25
Visor MX-511/APS-31
2
5-5/8 x 6-3/8 x 10-7/8
0.56
Mounting Base MT-445/APS-31
2
3/8 x 1-5/8 x 6-1/8
0.13
Mounting MT-446/APS-31
2
5-7/B x 6-11/16 x 7-7/16
0.63
Control Unit C-289A/APS-31
1
5 x 10-1/2 x 13-7/16
12.95
Mounting Plate MT-444/APS-31
1
7/8 x 10-1/2 x 12-1/8
0.81
Modulator MD-60A/APS-31
1
18 x 22-1/2 x 22-1/2
91.00
Transmitter-Receiver
1
8-5/16 x 19-3/4 x 19-3/4
48.50
RT-101A/APS-31
Antenna Assy AS-378/APS-33A
1
28-1/4 x 36-3/4 x 45
85.00
Servo Amplifier
1
4-3/8 x 5-7/8 x 12-1/2
11.00
AM-113/APS-33
Pressurizing Unit HD-16/AP
1
3-9/16 x 4-1/8 x 10-1/4
3.50
Directional Coupler
1
2-1/4 x 6-1/16 x 7
1.00
CU-106A/APS-33
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
Inverter PU-92A/U
1
4-5/8 x 7-5/16 x 9-13/16
13.25
True Bearing Amplifier
1
5-5/16 x 6-1/8 x 7-11/16
7.31
AM-110/APS-33
Relaty Box RE-41/APS-31
1
3-11/16 x 4-3/4 x 5-3/4
2.25
Blower Units HD-15/U
2
5-1/4 x 5-11/16 x 7-7/16
3.19
AN/APS-33A: 3
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