Model: MIL-S-20708/500

Receiver Synchro

Properties:

Body Material
Steel, stainless
Body Style
Standard round c
Shoulder Diameter
Between 0.8118 inches and 0.8123 inches
Pilot Diameter
Between 0.4995 inches and 0.5000 inches
Overall Length
Between 1.5460 inches and 1.5760 inches
Flange Diameter
Between 0.9360 inches and 0.9380 inches
Flange Thickness
0.0620 inches
Undercut Diameter
0.8400 inches
Undercut Width
0.0620 inches
Shaft Diameter
0.0895 inches single shaft and 0.0900 inches single shaft
Shaft Diameter
0.0895 inches and 0.0900 inches single shaft
Shaft Length
0.3060 inches single shaft and 0.3360 inches single shaft
Shaft Length
0.3060 inches and 0.3360 inches single shaft
Fragility Factor
Moderately rugged
Maximum Tempurature Rise
20.0 degrees celsius
Body Size
10
Rotor Input Voltage Rating In Volts
26.0
Frequency In Hertz
400.0
Rotor Input Current Rating
142.0 milliamperes
Rotor Input Electrical Power Rating
620.0 milliwatts
Zss Impedance Magnitude In Ohms
11.00
Zss Impedance Angle In Deg
15.000
Zso-9 Designator Impedance Magnitude In Ohms
15.00
Phase Shift Angle In Deg
7.500 input to output
Electrical Error Angular Range In Minutes
-60.0/+60.0
Electrical Error Angular Range In Minutes
-60.0 to 60.0
Receiver Error Angular Range In Minutes
-60.0/+60.0
Actuator Friction Torque At Minus 55 Deg Celsius
2200.0 millimeter-milligrams
Alignment Hole Quantity
3
Pilot Length
0.0380 inches
Shoulder Length
0.0620 inches
Mounting Surface To Terminal End Distance
1.2400 inches
Terminal Location
Rear
Shaft Slot Depth
0.0250 inches single shaft
Shaft Slot Width
0.0200 inches single shaft and 0.0250 inches single shaft
Shaft Slot Width
0.0200 inches and 0.0250 inches single shaft
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.0625 inches
Transformation Ratio
0.454 rotor to stator
Alignment Hole Bolt Circle Diameter
Between 0.6750 inches and 0.6810 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-20708/50 government specification
NSN
5990-00-110-9441
Part Number
MIL-S-20708/500
Description
Synchro,receiver
CAGE
81349

A synchro consisting of a stator and rotor inductively coupled. The rotor is free to turn in accordance with the electrical input from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, variable transformers, or items with dials.

Part MIL-S-20708/500 NSN 5990-00-110-9441

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02072
FIIG:
A07800
Concept No.:
1
App. Key:
F
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:
0.3000lbs
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
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