CM91001001

View detailed technical data, stock status, and sourcing information for: CM91001001

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CM91001001
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5990 Synchros and Resolvers
National Stock Number
5990-00-990-8939
Item Name Code
15289
Assigment Date
01/01/1962 (64 years ago)

An item consisting of a rotor and a stator inductively coupled. It usually has two rotor windings displaced from each other by 90 degrees and two stator windings similarly displaced. The output voltage(s) is a trigonometric function of the input voltage(s) and the angular displacement of the rotor with respect to the stator. See also synchro (as modified) and goniometer, electrical. Excludes:transolver, electrical and potentiometer sine/cosine electrical resolvers.

standard round a body style, 0.5000 inches nominal pilot diameter, 1.9920 inches nominal overall length, unable to decode body material, 0.7500 inches nominal flange 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 a
Pilot Diameter
0.5000 inches nominal
Overall Length
1.9920 inches nominal
Flange Diameter
0.7500 inches nominal
Flange Thickness
0.0620 inches nominal
Undercut Diameter
0.6870 inches nominal
Undercut Width
0.0620 inches nominal
Shaft Diameter
0.1200 inches nominal single shaft
Shaft Length
0.5840 inches nominal single shaft
Body Size
8
Stator Input Voltage Rating In Volts
26.0 nominal
Stator Input Current Rating
30.0 milliamperes nominal
Stator Input Electrical Power Rating
100.0 milliwatts nominal
Frequency In Hertz
400.0 nominal
Zro Impedance Magnitude In Ohms
2570.00 nominal
Zro Impedance Angle In Deg
73.00 nominal
Zso Impedance Magnitude In Ohms
450.00 nominal
Zso Impedance Angle In Deg
75.00 nominal
Zrs Impedance Magnitude In Ohms
950.00 nominal
Zrs Impedance Angle In Deg
20.00 nominal
Rotor Dc Resistance In Ohms
350.00 nominal
Stator Dc Resistance In Ohms
105.00 nominal
Maximum Fundamental Null Voltage In Millivolts Per Volt
34.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
53.00
Actuator Friction Torque At Minus 55 Deg Celsius
3.0 centimeter-grams nominal
Actuator Friction Torque At Plus 25 Deg Celsius
13.0 centimeter-grams nominal
Pilot Length
0.0400 inches nominal
Mounting Surface To Terminal End Distance
1.2410 inches maximum
Terminal Location
rear
Shaft Slot Depth
0.0310 inches nominal single shaft
Shaft Slot Width
0.0250 inches nominal single shaft
Shaft Type
round, slotted single shaft
Transformation Ratio
2.203 rotor to stator nominal
Terminal Type And Quantity
5 turret

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
123-042-0016 Control Transformer Synchro
CM91001001 Control Transformer Synchro
CM91004004 Control Transformer Synchro
ETH-8-LBS-6/A004 Control Transformer Synchro

FAQs

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

What is the FSCG of the NSN 5990-00-990-8939?
The FSCG of the NSN 5990-00-990-8939 is 5990
Does the NSN 5990-00-990-8939 have a Schedule B code assigned?
Yes, the Schedule B code is 9014900000
Does NSN 5990-00-990-8939 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 5990-00-990-8939 contain precious materials?
Precious metal content is unknown
Does NSN 5990-00-990-8939 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 5990-00-990-8939 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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