Model: 7901520-1

Control Transformer Synchro

Properties:

Body Material
Steel, corrosion resisting
Body Style
Standard round c
Shoulder Diameter
0.8123 inches
Pilot Diameter
0.5000 inches
Overall Length
1.8340 inches
Flange Diameter
0.9370 inches
Flange Thickness
0.0620 inches
Undercut Diameter
0.8370 inches
Undercut Width
0.0620 inches
Shaft Diameter
0.0900 inches single shaft
Shaft Length
0.3750 inches single shaft
Schematic Diagram Designator
1 y-rotor, 1 stator
Fragility Factor
Moderately rugged
Body Size
10
Stator Input Voltage Rating In Volts
26.0
Stator Input Current Rating
35.0 milliamperes
Stator Input Electrical Power Rating
300.0 milliwatts
Frequency In Hertz
400.0
Zro Resistance In Ohms
225.00
Zso Resistance In Ohms
43.00
Zrs Resistance In Ohms
265.00
Rotor Dc Resistance In Ohms
135.00
Stator Dc Resistance In Ohms
36.00
Phase Shift Angle In Deg
11.000 input to output
Electrical Error Angular Range In Minutes
-10.0/+10.0
Actuator Friction Torque At Minus 55 Deg Celsius
15.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
4.0 centimeter-grams
Alignment Hole Quantity
3
Shaft Radial Play Test Point
0.125 inches
Shaft Maximum Radial Play
0.0008 inches
Shaft End Play
Between 0.0003 inches and 0.0015 inches
Pilot Length
0.0380 inches
Shoulder Length
0.0630 inches
Mounting Surface To Terminal End Distance
1.2410 inches
Shaft Maximum Runout
0.0010 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
695.00
Shaft Slot Depth
0.0200 inches single shaft
Plus J Zso Reactance In Ohms
141.00
Shaft Slot Width
0.0250 inches single shaft
Plus J Zrs Reactance In Ohms
111.00
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.0620 inches
Alignment Hole Bolt Circle Diameter
0.6780 inches
Shaft Radial Play Determining Weight
1.411 ounces
Shaft End Play Determining Weight
3.0 ounces
Terminal Type And Quantity
5 screw
NSN
5990-00-115-5848
Part Number
7901520-1
Description
Synchro,control Transformer
CAGE
93322

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the rotor is dependent upon both the position of the rotor and the electrical input to the stator from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, or variable transformers.

Part 7901520-1 NSN 5990-00-115-5848

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15289
FIIG:
A07800
Concept No.:
1
App. Key:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9014900000
  • SITC: 87412
  • End Use: Marine engines, parts
  • NAICS: 334511
  • USDA: 1

Freight Class: Parts & accessories for direction finding compasses and other navigational instruments and appliances

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