Model: M20708/20C-002

Transmitter Synchro

Properties:

Body Material
Any acceptable
Body Style
Standard round c
Shoulder Diameter
Between 1.3115 inches and 1.3120 inches
Pilot Diameter
Between 0.8745 inches and 0.8750 inches
Overall Length
3.9560 inches
Flange Diameter
1.4320 inches
Flange Thickness
0.0930 inches
Undercut Diameter
1.3120 inches
Undercut Width
0.0780 inches
Shaft Diameter
0.1872 inches single shaft
Shaft Length
0.5550 inches single shaft
Fragility Factor
Moderately rugged
Maximum Tempurature Rise
20.0 degrees celsius
Body Size
15
Rotor Input Voltage Rating In Volts
115.0
Frequency In Hertz
60.0
Rotor Input Current Rating
22.0 milliamperes
Rotor Input Electrical Power Rating
360.0 milliwatts
Zro Impedance Magnitude In Ohms
Between 5335.00 and 6265.00
Zro Impedance Angle In Deg
Between 80.00 and 83.00
Zss Impedance Magnitude In Ohms
Between 675.00 and 825.00
Zss Impedance Angle In Deg
Between 11.00 and 16.00
Phase Shift Angle In Deg
7.000 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
45.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
90.00
Electrical Error Angular Range In Minutes
-6.0/+6.0
Torque Gradient Per Angular Deg
0.050 inch-ounces
Alignment Hole Quantity
4
Pilot Length
0.0400 inches
Shoulder Length
0.1320 inches
Mounting Surface To Terminal End Distance
2.5230 inches
Terminal Location
Rear
Shaft Slot Depth
0.0250 inches single shaft
Shaft Slot Width
0.0200 inches single shaft
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.1250 inches
Transformation Ratio
0.783 rotor to stator
Alignment Hole Bolt Circle Diameter
1.1000 inches
Test Data Document
81349-mil-s-20708 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
5 wire lead
Specification Data
81349-mil-s-20708/20 government specification
NSN
5990-01-016-0245
Part Number
M20708/20C-002
Description
Synchro,transmitter
CAGE
81349

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 M20708/20C-002 NSN 5990-01-016-0245

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:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
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

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