Model: MIL-S-20708/15

Control Transformer Synchro

Properties:

Body Material
Steel, stainless
Body Style
Standard round c
Shoulder Diameter
Between 1.3116 inches and 1.3120 inches
Pilot Diameter
Between 0.8745 inches and 0.8750 inches
Overall Length
2.3120 inches
Flange Diameter
Between 1.4320 inches and 1.4370 inches
Flange Thickness
0.0930 inches
Undercut Diameter
1.3120 inches
Undercut Width
0.0780 inches
Shaft Diameter
0.1867 inches single shaft and 0.1872 inches single shaft
Shaft Length
0.5450 inches single shaft and 0.5650 inches single shaft
Fragility Factor
Moderately rugged
Maximum Tempurature Rise
10.0 degrees celsius
Body Size
15
Stator Input Voltage Rating In Volts
90.0
Stator Input Current Rating
10.0 milliamperes
Stator Input Electrical Power Rating
140.0 milliwatts
Frequency In Hertz
400.0
Zso Impedance Magnitude In Ohms
Between 7800.00 and 9512.00
Zso Impedance Angle In Deg
Between 77.80 and 84.50
Zrs Impedance Magnitude In Ohms
Between 1050.00 and 1300.00
Zrs Impedance Angle In Deg
Between 26.00 and 33.00
Phase Shift Angle In Deg
5.500 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
32.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
60.00
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
1.7720 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
0.735 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 screw
Specification Data
81349-mil-s-20708/15 government specification
NSN
5990-00-276-8650
Part Number
MIL-S-20708/15
Description
Synchro,control Transformer
CAGE
81349

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 MIL-S-20708/15 NSN 5990-00-276-8650

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:
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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