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Control Transformer Synchro

NSN: 5990-00-557-3669 | Model: 1849B0404

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
5990-00-557-3669
DEMIL
NO
Body Material
Steel, stainless
Body Style
Standard round b
Shoulder Diameter
Between 0.1195 inches and 0.1200 inches
Pilot Diameter
0.5000 inches
Overall Length
1.5150 inches
Flange Diameter
Between 1.3100 inches and 1.3140 inches
Flange Thickness
Between 0.0620 inches and 0.0650 inches
Undercut Width
Between 0.0750 inches and 0.0780 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.5000 inches single shaft
Fragility Factor
Moderately rugged
Body Size
14
Stator Input Voltage Rating In Volts
9.0
Stator Input Current Rating
175.0 milliamperes
Stator Input Electrical Power Rating
100.0 milliwatts
Frequency In Hertz
400.0
Zro Resistance In Ohms
6150.00
Zso Resistance In Ohms
30.00
Zrs Resistance In Ohms
130.00
Rotor Dc Resistance In Ohms
670.00
Stator Dc Resistance In Ohms
41.00
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
-45.0/+45.0
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
1.2177 inches
Shoulder Length
Between 0.0930 inches and 0.0960 inches
Mounting Surface To Terminal End Distance
Between 1.1080 inches and 1.1110 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
615.00
Plus J Zso Reactance In Ohms
155.00
Plus J Zrs Reactance In Ohms
50.00
Shaft Type
Round single shaft
Transformation Ratio
0.862 rotor to stator
Terminal Type And Quantity
5 wire lead

Pricing and Availability

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NSN 5990-00-557-3669 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • 1849B0404
  • 990002-1
Cage Codes:
  • Kollsman, Inc. (CAGE 89944)
  • Raytheon Company (CAGE 82577)
Replacements:
  • 5990-00-557-3669 replaces 5990-00-783-2818
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
    X
  • 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 $2,168.78 to $3,614.63..
Does NSN 5990-00-557-3669 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 Navy, and France
What is the NIIN of NSN 5990-00-557-3669?
005573669 or 00-557-3669
Does NSN 5990-00-557-3669 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-557-3669?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963