AY221S51B

View detailed technical data, stock status, and sourcing information for: AY221S51B
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-729-9022

Item Name Code

22966

Assigment Date

01/01/1963 (63 years ago)

1.1310 inches nominal overall length, standard round c body style, 1.3115 inches minimum and 1.3120 inches maximum shoulder diameter, 0.4995 inches minimum and 0.5000 inches maximum pilot diameter, aluminum body material

Product Characteristics

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

Body Material: aluminum
Body Style: standard round c
Shoulder Diameter: 1.3115 inches minimum and 1.3120 inches maximum
Pilot Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Overall Length: 1.1310 inches nominal
Flange Diameter: 1.4360 inches minimum and 1.4370 inches maximum
Flange Thickness: 0.0930 inches nominal
Undercut Diameter: 1.3120 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: 11.8 nominal
Rotor Input Voltage Rating In Volts: 26.0 nominal
Frequency In Hertz: 400.0 nominal
Zro Resistance In Ohms: 83.00 nominal
Zso Resistance In Ohms: 20.00 nominal
Rotor Dc Resistance In Ohms: 50.00 nominal
Stator Dc Resistance In Ohms: 11.50 nominal
Phase Shift Angle In Deg: 6.300 input to output nominal
Interaxis Error Angular Range In Minutes: -3.0 to 3.0
Alignment Hole Quantity: 4
Pilot Length: 0.0400 inches nominal
Shoulder Length: unable to decode
Mounting Surface To Terminal End Distance: 1.5910 inches nominal
Terminal Location: rear
Plus J Zro Reactance In Ohms: 415.00 nominal
Shaft Slot Depth: 0.0210 inches minimum and 0.0310 inches maximum single shaft
Plus J Zso Reactance In Ohms: 107.00 nominal
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: 0.454 rotor to stator nominal
Alignment Hole Bolt Circle Diameter: 0.8750 inches nominal
Terminal Type And Quantity: 7 wire lead

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
495150-234	Electrical Resolver
AY221S51B	Electrical Resolver

FAQs

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

What is the FSCG of the NSN 5990-00-729-9022?

The FSCG of the NSN 5990-00-729-9022 is 5990

Does the NSN 5990-00-729-9022 have a Schedule B code assigned?

Yes, the Schedule B code is 9018903000

Does NSN 5990-00-729-9022 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 5990-00-729-9022 contain precious materials?

Precious metal content is unknown

Does NSN 5990-00-729-9022 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 5990-00-729-9022 was assigned to the Federal Catalog?

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