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Transmitter Synchro

NSN: 5990-00-206-3753 | Model: M20708/2-05E

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.

NSN Properties and Flags
NATO Stock Number
5990-00-206-3753
DEMIL
NO
Body Material
Steel, stainless
Body Style
Standard round c
Shoulder Diameter
Between 0.9995 inches and 1.0000 inches
Pilot Diameter
Between 0.6245 inches and 0.6250 inches
Overall Length
Between 2.3360 inches and 2.3760 inches
Flange Diameter
Between 1.0570 inches and 1.0620 inches
Flange Thickness
0.0930 inches
Undercut Diameter
0.9750 inches
Undercut Width
0.0620 inches
Shaft Diameter
0.1198 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.5460 inches single shaft and 0.5650 inches single shaft
Fragility Factor
Moderately rugged
Maximum Tempurature Rise
20.0 degrees celsius
Securing Hole Quantity
4
Body Size
11
Rotor Input Voltage Rating In Volts
115.0
Frequency In Hertz
400.0
Rotor Input Current Rating
31.0 milliamperes
Rotor Input Electrical Power Rating
490.0 milliwatts
Zro Resistance In Ohms
Between 3720.00 and 4700.00
Zss Resistance In Ohms
Between 410.00 and 500.00
Zro Impedance Magnitude In Ohms
Between 80.00 and 84.00
Zss Impedance Magnitude In Ohms
Between 17.00 and 26.00
Phase Shift Angle In Deg
4.500 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
45.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
75.00
Electrical Error Angular Range In Minutes
-7.0/+7.0
Actuator Friction Torque At Minus 55 Deg Celsius
0.07 inch-ounces
Actuator Friction Torque At Plus 25 Deg Celsius
0.07 inch-ounces
Pilot Length
Between 0.0450 inches and 0.0650 inches
Shoulder Length
Between 0.0590 inches and 0.0790 inches
Mounting Surface To Terminal End Distance
Between 1.7910 inches and 1.8110 inches
Mounting Facility Screw Thread Series Designator
Unc
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
Mounting Facility Screw Thread Diameter
0.112 inches
Transformation Ratio
0.783 rotor to stator
Alignment Hole Bolt Circle Diameter
0.6250 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

Inventory Check

The last inventory check on this NSN was done on 12/13/2023. Due to rapid changes in inventory this may not be the current stock qty.

  • New: 6
  • As Removed: 1
  • New Surplus: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 5990-00-206-3753 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • M20708/2-05E
  • VCX11-4G1
  • 11CX4E
  • 11CX4E
  • AS20708/2
  • 11CX4E
  • 1.791521
  • 59 000-13
  • 011-702M1
  • 011-702M1
  • M20708/2C-005
  • M20708/2-005
  • MIL-S-20708/2
Cage Codes:
  • Military Specifications (CAGE 81349)
  • General Dynamics Global Imaging (CAGE 10112)
  • Kearfott Corporation (CAGE 88818)
  • Moog Inc. (CAGE 99932)
  • Sae Customer Service (CAGE 0VH01)
  • Raytheon Anschuetz Gmbh (CAGE D2865)
  • Rockwell Collins Deutschland (CAGE D9853)
  • Kemtron Electron Products Inc (CAGE 92703)
  • Imc Magnetics Corp (CAGE 99743)
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:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Y
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Q2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,837.08 to $3,061.80..
Does NSN 5990-00-206-3753 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 Army, Department Of The Navy, U.s. Coast Guard, Singapore, Malaysia, France, Germany, Republic Of Korea, Portugal, Denmark, Greece, and Turkey
What is the NIIN of NSN 5990-00-206-3753?
002063753 or 00-206-3753
Does NSN 5990-00-206-3753 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-206-3753?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Apr 13, 1973