5990-00-581-9491

Find complete technical information, availability, and procurement data for: 5990-00-581-9491
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-581-9491

Item Name Code

02071

Assigment Date

01/01/1963 (63 years ago)

1.4360 inches minimum and 1.4370 inches maximum flange diameter, 0.4995 inches minimum and 0.5000 inches maximum pilot diameter, 2.5270 inches nominal overall length, standard round b body style, 1.3120 inches nominal 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 b
Shoulder Diameter: 1.3120 inches nominal
Pilot Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Overall Length: 2.5270 inches nominal
Flange Diameter: 1.4360 inches minimum and 1.4370 inches maximum
Flange Thickness: 0.0930 inches nominal
Undercut Width: 0.0780 inches nominal
Shaft Diameter: 0.1195 inches minimum and 0.1200 inches maximum single shaft
Shaft Length: 0.5400 inches nominal single shaft
Body Size: 15
Stator Input Voltage Rating In Volts: 26.0 nominal
Stator Input Current Rating: 410.0 milliamperes nominal
Stator Input Electrical Power Rating: 2.3 watts nominal
Frequency In Hertz: 400.0 nominal
Rotor Dc Resistance In Ohms: 7.50 nominal
Stator Dc Resistance In Ohms: 6.10 nominal
Electrical Error Angular Range In Minutes: -6.0 to 6.0
Actuator Friction Torque At Minus 55 Deg Celsius: 21.00 centimeter-grams nominal
Actuator Friction Torque At Plus 25 Deg Celsius: 7.00 centimeter-grams nominal
Alignment Hole Quantity: 4
Pilot Length: 0.0400 inches nominal
Mounting Surface To Terminal End Distance: 1.7620 inches nominal
Body Material: aluminum
Terminal Location: rear
Shaft Slot Depth: 0.0210 inches minimum and 0.0310 inches maximum single shaft
Shaft Slot Width: 0.0210 inches minimum and 0.0310 inches maximum single shaft
Shaft Type: round, slotted single shaft
Alignment Hole Depth: 0.1250 inches maximum
Transformation Ratio: 1.000 rotor to stator nominal
Alignment Hole Bolt Circle Diameter: 0.8750 inches nominal
Terminal Type And Quantity: 6 screw

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5990-00-922-7308	No Name Available	10/06/1967

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
254561	Differential Transmitter Synchro
AY231A4B	Differential Transmitter Synchro

FAQs

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

What is the FSCG of the NSN 5990-00-581-9491?

The FSCG of the NSN 5990-00-581-9491 is 5990

Does the NSN 5990-00-581-9491 have a Schedule B code assigned?

Yes, the Schedule B code is 9014900000

Does NSN 5990-00-581-9491 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 5990-00-581-9491 contain precious materials?

Precious metal content is unknown

Does NSN 5990-00-581-9491 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 5990-00-581-9491 was assigned to the Federal Catalog?

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