Model: QB71950-4

Transmitter Synchro

Properties:

Body Material
Steel, corrosion resisting
Body Style
Standard round c
Shoulder Diameter
Between 1.3115 inches and 1.3120 inches
Pilot Diameter
Between 0.4995 inches and 0.5000 inches
Overall Length
2.1310 inches
Flange Diameter
Between 1.4360 inches and 1.4370 inches
Flange Thickness
0.0930 inches
Undercut Diameter
1.3120 inches
Undercut Width
0.0780 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.5400 inches single shaft
Fragility Factor
Moderately rugged
Body Size
15
Rotor Input Voltage Rating In Volts
26.0
Frequency In Hertz
400.0
Rotor Input Current Rating
125.0 milliamperes
Rotor Input Electrical Power Rating
600.0 milliwatts
Zro Resistance In Ohms
47.00
Zso Resistance In Ohms
10.30
Zrs Resistance In Ohms
44.00
Zso-9 Designator Resistance In Ohms
6.10
Rotor Dc Resistance In Ohms
16.00
Stator Dc Resistance In Ohms
7.00
Phase Shift Angle In Deg
3.000 input to output
Maximum Total Null Voltage Output In Millivolts Per Volt
25.00
Electrical Error Angular Range In Minutes
-1.0/+1.0
Actuator Friction Torque At Minus 55 Deg Celsius
6.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
2.0 centimeter-grams
Torque Gradient Per Angular Deg
2250.0 millimeter-milligrams
Alignment Hole Quantity
4
Pilot Length
0.0400 inches
Shoulder Length
0.1320 inches
Mounting Surface To Terminal End Distance
1.5910 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
260.00
Shaft Slot Depth
0.0210 inches single shaft and 0.0310 inches single shaft
Plus J Zso Reactance In Ohms
43.00
Shaft Slot Width
0.0210 inches single shaft and 0.0310 inches single shaft
Plus J Zrs Reactance In Ohms
28.00
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.1120 inches
Transformation Ratio
0.454 rotor to stator
Alignment Hole Bolt Circle Diameter
0.8750 inches
Plus J Zso-9 Designator Reactance In Ohms
12.50
Terminal Type And Quantity
5 wire lead
NSN
5990-00-803-0486
Part Number
QB71950-4
Description
Synchro,transmitter
CAGE
06840

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the stator into a receiver synchro, a control transformer or differential synchro is dependent upon the position of its rotor. Does not include variable resistors, goniometers, variable transformers, or items with dials.

Part QB71950-4 NSN 5990-00-803-0486

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02073
FIIG:
A07800
Concept No.:
1
App. Key:
H
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:
EH
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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