7901520-1

View detailed technical data, stock status, and sourcing information for: 7901520-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-115-5848

Item Name Code

15289

Assigment Date

09/20/1968 (57 years ago)

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the rotor is dependent upon both the position of the rotor and the electrical input to the stator from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, or variable transformers.

unable to decode body material, 1.8340 inches nominal overall length, 0.8123 inches maximum shoulder diameter, 0.5000 inches maximum pilot diameter, standard round c body style

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: 0.8123 inches maximum
Pilot Diameter: 0.5000 inches maximum
Overall Length: 1.8340 inches nominal
Flange Diameter: 0.9370 inches maximum
Flange Thickness: 0.0620 inches nominal
Undercut Diameter: 0.8370 inches nominal
Undercut Width: 0.0620 inches nominal
Shaft Diameter: 0.0900 inches maximum single shaft
Shaft Length: 0.3750 inches nominal single shaft
Schematic Diagram Designator: 1 y-rotor, 1 stator
Fragility Factor: moderately rugged
Body Size: 10
Stator Input Voltage Rating In Volts: 26.0 nominal
Stator Input Current Rating: 35.0 milliamperes nominal
Stator Input Electrical Power Rating: 300.0 milliwatts nominal
Frequency In Hertz: 400.0 nominal
Zro Resistance In Ohms: 225.00 nominal
Zso Resistance In Ohms: 43.00 nominal
Zrs Resistance In Ohms: 265.00 nominal
Rotor Dc Resistance In Ohms: 135.00 nominal
Stator Dc Resistance In Ohms: 36.00 nominal
Phase Shift Angle In Deg: 11.000 input to output nominal
Electrical Error Angular Range In Minutes: -10.0 to 10.0
Actuator Friction Torque At Minus 55 Deg Celsius: 15.0 centimeter-grams nominal
Actuator Friction Torque At Plus 25 Deg Celsius: 4.0 centimeter-grams nominal
Alignment Hole Quantity: 3
Shaft Radial Play Test Point: 0.125 inches nominal
Shaft Maximum Radial Play: 0.0008 inches
Shaft End Play: 0.0003 inches minimum and 0.0015 inches maximum
Pilot Length: 0.0380 inches nominal
Shoulder Length: unable to decode
Mounting Surface To Terminal End Distance: 1.2410 inches nominal
Shaft Maximum Runout: 0.0010 inches
Terminal Location: rear
Plus J Zro Reactance In Ohms: 695.00 nominal
Shaft Slot Depth: 0.0200 inches nominal single shaft
Plus J Zso Reactance In Ohms: 141.00 nominal
Shaft Slot Width: 0.0250 inches nominal single shaft
Plus J Zrs Reactance In Ohms: 111.00 nominal
Shaft Type: round, slotted single shaft
Alignment Hole Depth: 0.0620 inches maximum
Alignment Hole Bolt Circle Diameter: 0.6780 inches nominal
Shaft Radial Play Determining Weight: 1.411 ounces
Shaft End Play Determining Weight: 3.0 ounces
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
5990-01-081-3842	No Name Available	01/01/1982

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
10CT-307-B-36	Control Transformer Synchro
7901520-001	Control Transformer Synchro
7901520-1	Control Transformer Synchro
AY100VY58A6	Control Transformer Synchro
ETH-10-CKS-03/B799	Control Transformer Synchro