5990-00-681-2691

Find complete technical information, availability, and procurement data for: 5990-00-681-2691
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-681-2691

Item Name Code

15289

Assigment Date

01/01/1963 (63 years ago)

2.8280 inches maximum overall length, 0.6245 inches minimum and 0.6250 inches maximum pilot diameter, standard round c body style, unable to decode body material, 0.9995 inches minimum and 1.0000 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 Material: unable to decode
Body Style: standard round c
Shoulder Diameter: 0.9995 inches minimum and 1.0000 inches maximum
Pilot Diameter: 0.6245 inches minimum and 0.6250 inches maximum
Overall Length: 2.8280 inches maximum
Flange Diameter: 1.0590 inches minimum and 1.0650 inches maximum
Flange Thickness: 0.0900 inches minimum and 0.0950 inches maximum
Undercut Diameter: 0.9720 inches minimum and 0.9780 inches maximum
Undercut Width: 0.0590 inches minimum and 0.0650 inches maximum
Shaft Diameter: 0.1195 inches minimum and 0.1200 inches maximum single shaft
Shaft Length: 0.3600 inches minimum and 0.3900 inches maximum single shaft
Fragility Factor: moderately rugged
Body Size: 11
Stator Input Voltage Rating In Volts: 28.0 nominal
Stator Input Current Rating: 195.0 milliamperes maximum
Stator Input Electrical Power Rating: 200.0 milliwatts maximum
Frequency In Hertz: 400.0 nominal
Zro Resistance In Ohms: 75.00 nominal
Zso Resistance In Ohms: 27.00 nominal
Maximum Total Null Voltage Output In Millivolts Per Volt: 50.00
Actuator Friction Torque At Minus 55 Deg Celsius: 16.0 centimeter-grams maximum
Actuator Friction Torque At Plus 25 Deg Celsius: 8.0 centimeter-grams maximum
Alignment Hole Quantity: 4
Pilot Length: 0.0590 inches minimum and 0.0650 inches maximum
Shoulder Length: unable to decode and unable to decode
Mounting Surface To Terminal End Distance: 2.4380 inches maximum
Terminal Location: side
Plus J Zro Reactance In Ohms: 22.00 nominal
Plus J Zso Reactance In Ohms: 97.00 nominal
Shaft Type: round single shaft
Alignment Hole Depth: 0.1250 inches minimum
Transformation Ratio: 1.650 rotor to stator nominal
Alignment Hole Bolt Circle Diameter: 0.8090 inches minimum and 0.8150 inches maximum
Terminal Type And Quantity: 8 wire lead

Replaces National Stock Numbers

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

NSN	Name	Date
5990-00-504-8509	No Name Available	10/30/1967

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
976700-2	Control Transformer Synchro

FAQs

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

What is the FSCG of the NSN 5990-00-681-2691?

The FSCG of the NSN 5990-00-681-2691 is 5990

Does the NSN 5990-00-681-2691 have a Schedule B code assigned?

Yes, the Schedule B code is 9014900000

Does NSN 5990-00-681-2691 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 5990-00-681-2691 contain precious materials?

Precious metal content is unknown

Does NSN 5990-00-681-2691 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 5990-00-681-2691 was assigned to the Federal Catalog?

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