Model: 7R901-022

Control Transformer Synchro

Properties:

Body Material
Steel, stainless
Body Style
Standard round c
Shoulder Diameter
Between 0.9995 inches and 1.0000 inches
Pilot Diameter
Between 0.6245 inches and 0.6250 inches
Overall Length
2.3580 inches
Flange Diameter
Between 1.0590 inches and 1.0620 inches
Flange Thickness
0.0930 inches
Undercut Diameter
Between 0.9700 inches and 0.9750 inches
Undercut Width
0.0500 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.5630 inches single shaft
Body Size
11
Stator Input Voltage Rating In Volts
90.0
Stator Input Current Rating
17.0 milliamperes
Stator Input Electrical Power Rating
250.0 milliwatts
Frequency In Hertz
400.0
Zro Resistance In Ohms
707.00
Zso Resistance In Ohms
876.00
Zrs Resistance In Ohms
637.00
Rotor Dc Resistance In Ohms
370.00
Stator Dc Resistance In Ohms
602.00
Phase Shift Angle In Deg
3.400 input to output
Maximum Total Null Voltage Output In Millivolts Per Volt
1.00
Electrical Error Angular Range In Minutes
-7.0/+7.0
Actuator Friction Torque At Minus 55 Deg Celsius
15.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
3.0 centimeter-grams
Alignment Hole Quantity
4
Pilot Length
0.0620 inches
Shoulder Length
0.0620 inches
Mounting Surface To Terminal End Distance
1.7950 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
3194.00
Shaft Slot Depth
0.0310 inches single shaft
Plus J Zso Reactance In Ohms
4580.00
Shaft Slot Width
0.0310 inches single shaft
Plus J Zrs Reactance In Ohms
324.00
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.1250 inches
Transformation Ratio
0.735 rotor to stator
Alignment Hole Bolt Circle Diameter
0.8120 inches
Terminal Type And Quantity
5 wire lead
NSN
5990-00-814-2239
Part Number
7R901-022
Description
Synchro,control Transformer
CAGE
88818

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 7R901-022 NSN 5990-00-814-2239

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:
0.8000lbs
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:
Trailers/Vehicles

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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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