Model: 255711

Control Transformer Synchro

Properties:

Body Material
Aluminum
Body Style
Standard round, rear mounting flange
Shoulder Diameter
1.2500 inches
Pilot Diameter
1.0625 inches
Second Shoulder Diameter
1.9000 inches
Second Shoulder Length
0.7000 inches
Overall Length
3.7330 inches
Flange Diameter
Between 0.2480 inches and 0.2500 inches
Flange Thickness
0.2500 inches
Body Diameter
0.1950 inches
Shaft Diameter
0.2035 inches single shaft
Shaft Length
0.2600 inches single shaft
Schematic Diagram Designator
1 y-rotor, 1 stator
Fragility Factor
Moderately rugged
Maximum Tempurature Rise
3.0 degrees celsius
Body Size
23
Stator Input Voltage Rating In Volts
90.0
Stator Input Current Rating
24.0 milliamperes
Stator Input Electrical Power Rating
58.0 milliwatts
Frequency In Hertz
60.0
Zro Resistance In Ohms
596.00
Zso Resistance In Ohms
1000.00
Zrs Resistance In Ohms
850.00
Rotor Dc Resistance In Ohms
435.00
Stator Dc Resistance In Ohms
930.00
Phase Shift Angle In Deg
14.000 output to input
Maximum Total Null Voltage Output In Millivolts Per Volt
60.00
Electrical Error Angular Range In Minutes
-18.0/+18.0
Alignment Hole Quantity
3
Shaft End Play
0.0150 inches
Pilot Length
0.1250 inches
Shoulder Length
0.0550 inches
Second Shoulder Face To Rear Flange Distance
1.7000 inches
Shaft Maximum Runout
0.0010 inches
Shaft Thread Series Designator
Unf single shaft
Shaft Thread Direction
Right-hand single shaft
Shaft Thread Class
2a single shaft
Terminal Location
Rear
Shaft Thread Length
0.1560 inches single shaft
Plus J Zro Reactance In Ohms
1930.00
Plus J Zso Reactance In Ohms
3040.00
Plus J Zrs Reactance In Ohms
310.00
Shaft Type
Round, threaded single shaft
Alignment Hole Depth
0.1560 inches
Transformation Ratio
0.735 rotor to stator
Alignment Hole Bolt Circle Diameter
0.8440 inches
Shaft Thread Size
0.112 inches single shaft
Test Data Document
81349-mil-s-2335 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
6 screw
NSN
5990-00-503-0594
Part Number
255711
Description
Synchro,control Transformer
CAGE
49956

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 255711 NSN 5990-00-503-0594

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
03
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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