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Control Transformer Synchro

NSN: 5990-00-941-5989 | Model: 7RS900-2E

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
5990-00-941-5989
DEMIL
NO
Body Material
Steel, corrosion resisting
Body Style
Standard round a
Pilot Diameter
0.5000 inches
Overall Length
1.6300 inches
Flange Diameter
0.7500 inches
Flange Thickness
0.0620 inches
Undercut Diameter
0.6910 inches
Undercut Width
0.0400 inches
Shaft Diameter
0.1200 inches single shaft
Shaft Length
0.3750 inches single shaft
Body Size
8
Stator Input Voltage Rating In Volts
11.8
Stator Input Current Rating
87.0 milliamperes
Stator Input Electrical Power Rating
210.0 milliwatts
Frequency In Hertz
400.0
Zro Resistance In Ohms
400.00
Zso Resistance In Ohms
60.00
Zrs Resistance In Ohms
602.00
Rotor Dc Resistance In Ohms
143.00
Stator Dc Resistance In Ohms
24.00
Phase Shift Angle In Deg
5.000 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
30.00 input
Maximum Total Null Voltage Output In Millivolts Per Volt
70.00
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
6.0 centimeter-grams
Pilot Length
0.0400 inches
Mounting Surface To Terminal End Distance
1.2400 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
420.00
Shaft Slot Depth
0.0350 inches single shaft
Plus J Zso Reactance In Ohms
254.00
Shaft Slot Width
0.0250 inches single shaft
Plus J Zrs Reactance In Ohms
150.00
Shaft Type
Round, slotted single shaft
Transformation Ratio
0.685 rotor to stator
Terminal Type And Quantity
5 wire lead

Pricing and Availability

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NSN 5990-00-941-5989 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • 7RS900-2E
  • 7PS900-2E
  • 96C802-001
  • 79S900-2E
Cage Codes:
  • Kearfott Corporation (CAGE 88818)
  • Ail Systems Inc (CAGE 04660)
Replacements:
  • 5990-00-941-5989 replaces 5990-00-575-4774
  • 5990-00-941-5989 replaces 5990-00-728-2200
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

ADPE

- Represents items with no adp components

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
    V
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $849.00 to $1,415.00..
Does NSN 5990-00-941-5989 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Defense Logistics Agency
What is the NIIN of NSN 5990-00-941-5989?
009415989 or 00-941-5989
Does NSN 5990-00-941-5989 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-941-5989?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Dec 03, 1965