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Differential Transmitter Synchro

NSN: 5990-00-504-6697 | Model: AY231A3B

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
5990-00-504-6697
DEMIL
NO
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
0.1312 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
26.0
Frequency In Hertz
400.0
Rotor Dc Resistance In Ohms
14.00
Stator Dc Resistance In Ohms
10.80
Electrical Error Angular Range In Minutes
-12.0/+12.0
Actuator Friction Torque At Minus 55 Deg Celsius
15.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
7.0 centimeter-grams
Alignment Hole Quantity
4
Pilot Length
0.0400 inches
Shoulder Length
0.1320 inches
Mounting Surface To Terminal End Distance
1.5910 inches
Terminal Location
Rear
Shaft Slot Depth
0.0210 inches single shaft and 0.0310 inches single shaft
Shaft Slot Width
0.0210 inches single shaft and 0.0310 inches single shaft
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.1250 inches
Alignment Hole Bolt Circle Diameter
0.8750 inches
Terminal Type And Quantity
6 wire lead

Pricing and Availability

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NSN 5990-00-504-6697 Datasheet

Supply Class (FSC):
Synchros And Resolvers
Cross Reference:
  • AY231A3B
  • AY231A3B
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:

    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

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5990-00-504-6697 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
France, and Turkey
What is the NIIN of NSN 5990-00-504-6697?
005046697 or 00-504-6697
Does NSN 5990-00-504-6697 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5990-00-504-6697?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963