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Control Transformer Synchro

NSN: 5990-01-030-0794 | Model: 2639605-5

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.

NSN Properties and Flags
NATO Stock Number
5990-01-030-0794
DEMIL
NO
Body Material
Steel, corrosion resisting
Body Style
Standard round c
Shoulder Diameter
Between 0.9999 inches and 1.0000 inches
Pilot Diameter
0.7500 inches
Overall Length
Between 2.6130 inches and 2.6370 inches
Flange Diameter
Between 1.0570 inches and 1.0600 inches
Flange Thickness
Between 0.0900 inches and 0.0960 inches
Undercut Diameter
Between 0.9995 inches and 1.0000 inches
Undercut Width
0.0450 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.3200 inches single shaft and 0.3260 inches single shaft
Maximum Tempurature Rise
8.0 degrees celsius
Body Size
11
Stator Input Voltage Rating In Volts
90.0
Stator Input Current Rating
17.0 milliamperes
Stator Input Electrical Power Rating
260.0 milliwatts
Frequency In Hertz
400.0
Zro Resistance In Ohms
437.00
Zso Resistance In Ohms
265.00
Zrs Resistance In Ohms
450.00
Rotor Dc Resistance In Ohms
Between 327.25 and 442.75
Stator Dc Resistance In Ohms
Between 185.25 and 204.75
Phase Shift Angle In Deg
4.700 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
59.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
94.00
Electrical Error Angular Range In Minutes
-7.0/+7.0
Actuator Friction Torque At Minus 55 Deg Celsius
16.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
4.0 centimeter-grams
Pilot Length
0.0650 inches
Shoulder Length
Between 0.0590 inches and 0.0650 inches
Mounting Surface To Terminal End Distance
1.8120 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
1940.00
Shaft Slot Depth
0.0350 inches single shaft
Plus J Zso Reactance In Ohms
1620.00
Shaft Slot Width
0.0300 inches single shaft
Plus J Zrs Reactance In Ohms
222.00
Shaft Type
Round, slotted single shaft
Transformation Ratio
Between 1.108 rotor to stator and 1.200 rotor to stator
Terminal Type And Quantity
5 wire lead

Pricing and Availability

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NSN 5990-01-030-0794 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • 2639605-5
  • 3R940-2A
Cage Codes:
  • Navair and Navsea Managed (CAGE 10001)
  • Kearfott Corporation (CAGE 88818)
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
    S9e
  • AAC
    V
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9n-----
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $769.86 to $1,283.11..
Does NSN 5990-01-030-0794 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Spain
What is the NIIN of NSN 5990-01-030-0794?
010300794 or 01-030-0794
Does NSN 5990-01-030-0794 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-01-030-0794?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 27, 1976