VCT23/36/-4A

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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-644-0120

Item Name Code

15289

Assigment Date

01/01/1963 (63 years ago)

standard round d body style, 1.9985 inches minimum and 1.9995 inches maximum second shoulder diameter, 1.9890 inches minimum and 1.9900 inches maximum shoulder diameter, unable to decode body material, 0.5900 inches minimum and 0.6000 inches maximum pilot diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Material: unable to decode
Body Style: standard round d
Shoulder Diameter: 1.9890 inches minimum and 1.9900 inches maximum
Pilot Diameter: 0.5900 inches minimum and 0.6000 inches maximum
Second Shoulder Diameter: 1.9985 inches minimum and 1.9995 inches maximum
Second Shoulder Length: 0.1700 inches nominal
Overall Length: 4.2430 inches minimum and 4.2940 inches maximum
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: 0.2402 inches minimum and 0.2405 inches maximum single shaft
Shaft Length: 0.6930 inches minimum and 0.7190 inches maximum single shaft
Body Size: 23
Stator Input Voltage Rating In Volts: 90.0 nominal
Stator Input Current Rating: 6.0 milliamperes maximum
Stator Input Electrical Power Rating: 240.0 milliwatts maximum
Frequency In Hertz: 400.0 nominal
Maximum Fundamental Null Voltage In Millivolts Per Volt: 30.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt: 60.00
Electrical Error Angular Range In Minutes: -6.0 to 6.0
Actuator Friction Torque At Minus 55 Deg Celsius: 0.50 inch-ounces maximum
Actuator Friction Torque At Plus 25 Deg Celsius: 0.20 inch-ounces maximum
Pilot Length: 0.0460 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: 3.4350 inches minimum and 3.4450 inches maximum
Shaft Thread Series Designator: unf single shaft
Shaft Thread Direction: right-hand single shaft
Shaft Thread Class: 3a single shaft
Terminal Location: rear
Shaft Thread Length: 0.3100 inches nominal single shaft
Shaft Type: round, threaded single shaft
Transformation Ratio: 0.735 rotor to stator nominal
Shaft Nominal Thread Size: 0.250 inches single shaft
Test Data Document: "81349-mil-s-16892 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Terminal Type And Quantity: 7 screw

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5990-00-501-4996	No Name Available	01/01/1963
5990-00-847-3916	No Name Available	01/01/1963
5990-00-961-4727	No Name Available	09/27/1967

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
23CT4	Control Transformer Synchro
7674821	Control Transformer Synchro
AY240AA 2 A1	Control Transformer Synchro
C767482100	Control Transformer Synchro
CT23-4X2	Control Transformer Synchro
MIL-S-20708/94	Control Transformer Synchro
SAE-AS20708/94	Control Transformer Synchro
SM-D-209752-5	Control Transformer Synchro
VCT23/36/-4A	Control Transformer Synchro

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5990-00-644-0120?

The FSCG of the NSN 5990-00-644-0120 is 5990

Does the NSN 5990-00-644-0120 have a Schedule B code assigned?

Yes, the Schedule B code is 9014900000

Does NSN 5990-00-644-0120 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5990-00-644-0120 contain precious materials?

Precious metal content is unknown

Does NSN 5990-00-644-0120 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 5990-00-644-0120 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963