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Receiver Synchro

NSN: 5990-00-110-9441 | Model: M20708/500-001
ITAR Registered seal

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.

NSN Properties and Flags
NATO Stock Number
5990-00-110-9441
DEMIL
Yes - ITAR Controlled (Code B)
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 and 0.0900 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 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 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

Pricing and Availability

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NSN 5990-00-110-9441 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • M20708/500-001
  • MIL-S-20708/500
  • 10TR4
  • M20708/500-001
Cage Codes:
  • Military Specifications (CAGE 81349)
  • General Dynamics Global Imaging (CAGE 10112)
Schedule B & Trade:
  • Schedule B: 9014900000 (NAICS 334511)

    Parts & accessories for direction finding compasses and other navigational instruments and appliances

  • SITC: 87412

    Parts and accessories of navigational instruments and appliances

  • End Use: 22220

    Marine engines, parts

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    062120 - Generators/motors/parts noi

  • WCC:

    593 - Motors and parts, (machinery and parts),(less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9eh-v
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $231.62 to $386.03..
Does NSN 5990-00-110-9441 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, and Department Of The Navy
What is the NIIN of NSN 5990-00-110-9441?
001109441 or 00-110-9441
Does NSN 5990-00-110-9441 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-110-9441?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 27, 1973