Model: 55121

Transmitter Synchro

Properties:

Body Material
Steel, corrosion resisting
Body Style
Standard round a
Pilot Diameter
Between 0.4995 inches and 0.5000 inches
Overall Length
Between 1.7820 inches and 1.8580 inches
Flange Diameter
Between 0.7470 inches and 0.7500 inches
Flange Thickness
0.0620 inches
Undercut Diameter
Between 0.6880 inches and 0.6910 inches
Undercut Width
0.0620 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.4910 inches single shaft and 0.5150 inches single shaft
Body Size
8
Rotor Input Voltage Rating In Volts
26.0
Frequency In Hertz
400.0
Rotor Input Current Rating
130.0 milliamperes
Rotor Input Electrical Power Rating
540.0 milliwatts
Zro Resistance In Ohms
37.00
Zso Resistance In Ohms
9.00
Rotor Dc Resistance In Ohms
27.00
Stator Dc Resistance In Ohms
10.00
Phase Shift Angle In Deg
8.500 input to output
Maximum Total Null Voltage Output In Millivolts Per Volt
30.00
Electrical Error Angular Range In Minutes
-7.0/+7.0
Actuator Friction Torque At Plus 25 Deg Celsius
3.0 centimeter-grams
Pilot Length
Between 0.0370 inches and 0.0400 inches
Mounting Surface To Terminal End Distance
Between 1.2910 inches and 1.3430 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
224.00
Shaft Slot Depth
0.0300 inches single shaft
Plus J Zso Reactance In Ohms
36.00
Shaft Slot Width
0.0250 inches single shaft
Shaft Type
Round, slotted single shaft
Transformation Ratio
0.454 stator to rotor
Terminal Type And Quantity
5 wire lead
NSN
5990-00-922-4896
Part Number
55121
Description
Synchro,transmitter
CAGE
99479

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 55121 NSN 5990-00-922-4896

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:
--
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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