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Control Transformer Synchro

NSN: 5990-00-557-3668 | Model: AY503-25A1

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
5990-00-557-3668
DEMIL
NO
Body Material
Aluminum
Body Style
Standard round c
Shoulder Diameter
Between 0.8118 inches and 0.8123 inches
Pilot Diameter
Between 0.4995 inches and 0.5000 inches
Overall Length
1.5290 inches
Flange Diameter
Between 0.9360 inches and 0.9370 inches
Flange Thickness
0.0620 inches
Undercut Diameter
Between 0.8350 inches and 0.8400 inches
Undercut Width
0.0620 inches
Shaft Diameter
0.0880 inches single shaft and 0.0900 inches single shaft
Shaft Length
0.2880 inches single shaft
Body Size
10
Stator Input Voltage Rating In Volts
26.0
Stator Input Current Rating
70.0 milliamperes
Stator Input Electrical Power Rating
200.0 milliwatts
Frequency In Hertz
400.0
Zso Resistance In Ohms
43.00
Stator Dc Resistance In Ohms
36.00
Phase Shift Angle In Deg
10.000 input to output
Electrical Error Angular Range In Minutes
-1.0/+1.0
Actuator Friction Torque At Minus 55 Deg Celsius
15.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
4.0 centimeter-grams
Alignment Hole Quantity
3
Pilot Length
0.0380 inches
Shoulder Length
0.0630 inches
Mounting Surface To Terminal End Distance
1.2410 inches
Terminal Location
Rear
Shaft Slot Depth
0.0250 inches single shaft
Plus J Zso Reactance In Ohms
141.00
Shaft Slot Width
0.0200 inches single shaft
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.0630 inches
Alignment Hole Bolt Circle Diameter
0.6780 inches
Terminal Type And Quantity
5 wire lead
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M115TE108 2015-03-16 PMCMU 15 EA

Pricing and Availability

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NSN 5990-00-557-3668 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • AY503-25A1
  • AY500-25A1
  • AY500-25A1
  • 6040267
  • 6040267
  • AY500-25A1
  • 6040267
Cage Codes:
  • Honeywell Intl Inc Defense Avionics (CAGE 19315)
  • Honeywell Intl Inc Defense Avionics (CAGE 02987)
  • Honeywell International Inc. (CAGE 96774)
  • International Business Machines Corp (CAGE 0B6S1)
  • International Business Machines Corp (CAGE 89264)
  • Honeywell Intl Inc (CAGE 55972)
  • International Business Machines Corp (CAGE 30874)
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
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9eh-n
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $3,336.35 to $5,560.58..
Does NSN 5990-00-557-3668 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 Air Force, Department Of The Navy, Brazil, New Zealand, Portugal, Norway, and Greece
What is the NIIN of NSN 5990-00-557-3668?
005573668 or 00-557-3668
Does NSN 5990-00-557-3668 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-557-3668?
Solicitation SPE7M115TE108 for qty 15 on 03/06/2015
When was this national stock number assigned to the federal catalog?
Jan 01, 1963