VCT23-4N3
View detailed technical data, stock status, and sourcing information for: VCT23-4N3
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Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5990 Synchros and Resolvers
National Stock Number
5990-00-914-0838
Item Name Code
15289
Assigment Date
01/01/1960 (66 years ago)
0.5950 inches nominal pilot diameter, standard round d body style, 0.1700 inches nominal second shoulder length, 1.9935 inches minimum and 1.9995 inches maximum second shoulder diameter, 1.9850 inches minimum and 1.9900 inches maximum shoulder diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Body Style
- standard round d
- Shoulder Diameter
- 1.9850 inches minimum and 1.9900 inches maximum
- Pilot Diameter
- 0.5950 inches nominal
- Second Shoulder Diameter
- 1.9935 inches minimum and 1.9995 inches maximum
- Second Shoulder Length
- 0.1700 inches nominal
- Overall Length
- 4.2990 inches nominal
- Flange Diameter
- 2.2490 inches minimum and 2.2500 inches maximum
- Flange Thickness
- 0.2500 inches nominal
- Body Diameter
- 1.9900 inches maximum
- Shaft Diameter
- 0.2403 inches minimum and 0.2405 inches maximum single shaft
- Shaft Length
- 0.7190 inches nominal single shaft
- Fragility Factor
- moderately rugged
- Maximum Temp Rise
- 20.0 celsius
- Body Size
- 23
- Stator Input Voltage Rating In Volts
- 90.0 nominal
- Stator Input Current Rating
- 5.7 milliamperes maximum
- Stator Input Electrical Power Rating
- 50.0 milliwatts nominal
- Frequency In Hertz
- 400.0 nominal
- Zso Impedance Magnitude In Ohms
- 134.00 minimum and 167.00 maximum
- Zso Impedance Angle In Deg
- 81.00 minimum and 84.50 maximum
- Zrs Impedance Magnitude In Ohms
- 1040.00 minimum and 1260.00 maximum
- Zrs Impedance Angle In Deg
- 46.00 minimum and 56.00 maximum
- Phase Shift Angle In Deg
- 2.300 input to output nominal
- Maximum Fundamental Null Voltage In Millivolts Per Volt
- 20.00 output
- Maximum Total Null Voltage Output In Millivolts Per Volt
- 45.00
- Electrical Error Angular Range In Minutes
- -6.0 to 6.0
- Spline Tooth Quantity
- 22 single shaft
- Torque Gradient Per Angular Deg
- 0.200 inch-ounces maximum
- Pilot Length
- 0.0430 inches nominal
- Shoulder Length
- unable to decode
- Aft Of First Flange Diameter
- 1.9985 inches minimum and 1.9995 inches maximum
- Mounting Surface To Terminal End Distance
- 3.5800 inches nominal
- Spline Tooth Diametral Pitch
- 96 single shaft
- Shaft Thread Series Designator
- unef single shaft
- Shaft Thread Direction
- right-hand single shaft
- Shaft Thread Class
- 2a single shaft
- Body Material
- steel corrosion resisting
- Terminal Location
- rear
- Shaft Thread Length
- 0.2900 inches nominal single shaft
- Shaft Type
- spline w/threads single shaft
- Transformation Ratio
- 0.735 rotor to stator nominal
- Shaft Nominal Thread Size
- 0.250 inches single shaft
- Terminal Type And Quantity
- 5 screw
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5990-00-877-7679 | No Name Available | 05/12/1969 |
| 5990-00-883-6075 | No Name Available | 07/19/1968 |
| 5990-01-142-4041 | No Name Available | 06/01/1985 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 23CT4C | Control Transformer Synchro |
| M20708-46-001 | Control Transformer Synchro |
| M20708/46-01C | Control Transformer Synchro |
| MIL-S-20708/46 | Control Transformer Synchro |
| MILS20708C46A23CT4C | Control Transformer Synchro |
| SAE-AS20708/46 | Control Transformer Synchro |
| VCT23-4N3 | Control Transformer Synchro |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5990-00-914-0838?
The FSCG of the NSN 5990-00-914-0838 is 5990
Does the NSN 5990-00-914-0838 have a Schedule B code assigned?
Yes, the Schedule B code is 9014900000
Does NSN 5990-00-914-0838 require demilitarization?
"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Does NSN 5990-00-914-0838 contain precious materials?
Item does not contain precious metal.
Does NSN 5990-00-914-0838 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5990-00-914-0838 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Surplus | 1 |
| New Material | 1 |
| Total | 2 |
Availability of this item was last updated on:
04/09/2026 06:04 PM EDT.
Stock levels and pricing are subject to change.