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Differential Transmitter Synchro

NSN: 5990-00-434-0620 | Model: AY231S4B1

A synchro, the rotor of which is mechanically positioned for modifying electrical angular information, received from a transmitter synchro and transmitting to receiver synchro or control transformer synchro electrical information corresponding to the sum or difference of the electrical input angle and its rotor position angle. Does not include variable resistors, goniometers, variable transformers, or items with dials.

NSN Properties and Flags
NATO Stock Number
5990-00-434-0620
DEMIL
NO
Body Material
Steel, stainless
Body Style
Standard round c
Shoulder Diameter
Between 1.3115 inches and 1.3120 inches
Pilot Diameter
Between 0.4995 inches and 0.5000 inches
Overall Length
2.1310 inches
Flange Diameter
Between 1.4360 inches and 1.4370 inches
Flange Thickness
0.0930 inches
Undercut Diameter
Between 1.3090 inches and 1.3120 inches
Undercut Width
0.0780 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.5400 inches single shaft
Body Size
15
Stator Input Voltage Rating In Volts
11.8
Stator Input Current Rating
255.0 milliamperes
Stator Input Electrical Power Rating
600.0 milliwatts
Frequency In Hertz
400.0
Zro Resistance In Ohms
9.80
Zso Resistance In Ohms
9.20
Zrs Resistance In Ohms
9.60
Rotor Dc Resistance In Ohms
7.00
Stator Dc Resistance In Ohms
6.10
Phase Shift Angle In Deg
6.000 input to output
Maximum Total Null Voltage Output In Millivolts Per Volt
30.00
Electrical Error Angular Range In Minutes
-6.0/+6.0
Actuator Friction Torque At Minus 55 Deg Celsius
15.00 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
5.00 centimeter-grams
Torque Gradient Per Angular Deg
1500.000 millimeter-milligrams
Pilot Length
0.0400 inches
Shoulder Length
0.1320 inches
Mounting Surface To Terminal End Distance
1.5910 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
38.00
Shaft Slot Depth
0.0210 inches single shaft and 0.0310 inches single shaft
Plus J Zso Reactance In Ohms
39.00
Shaft Slot Width
0.0210 inches single shaft and 0.0310 inches single shaft
Plus J Zrs Reactance In Ohms
5.60
Shaft Type
Round, slotted single shaft
Terminal Type And Quantity
7 wire lead

Pricing and Availability

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NSN 5990-00-434-0620 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • AY231S4B1
  • AY231S4B1
Cage Codes:
  • Honeywell International Inc. (CAGE 96774)
  • Honeywell Intl Inc (CAGE 55972)
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:

    590 - Generators 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)

  • LCL:

    Q - 70.0

  • 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 $558.74 to $931.23..
Does NSN 5990-00-434-0620 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Canada
What is the NIIN of NSN 5990-00-434-0620?
004340620 or 00-434-0620
Does NSN 5990-00-434-0620 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-434-0620?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Aug 17, 1970