Receiver Synchro
R925-2E
(NSN) National Stock Number
5990-00-778-9883
Federal Supply Classification
5990 Synchros and Resolvers
Item Name Code
02072
Schedule B Code
9014900000
Summary
Standard round c body style, 0.9995 inches minimum and 1.0000 inches maximum shoulder diameter, 0.6245 inches minimum and 0.6250 inches maximum pilot diameter, 0.2317 inches minimum and 0.2341 inches maximum overall length, 1.0570 inches minimum and 1.0650 inches maximum flange diameter, 0.0900 inches minimum and 0.0960 inches maximum flange thickness
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A synchro consisting of a stator and rotor inductively coupled. The rotor is free to turn in accordance with the electrical input from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, variable transformers, or items with dials.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 02072 | A07800 | 1 | 1 |
Specifications
Body Style
standard round c
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.Shoulder Diameter
0.9995 inches minimum and 1.0000 inches maximum
Details
The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.Pilot Diameter
0.6245 inches minimum and 0.6250 inches maximum
Details
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.Overall Length
0.2317 inches minimum and 0.2341 inches maximum
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Flange Diameter
1.0570 inches minimum and 1.0650 inches maximum
Details
The length of a straight line which passes through the center of a flange,and terminates at the circumference.Flange Thickness
0.0900 inches minimum and 0.0960 inches maximum
Details
A measurement of the smallest dimension of a flange,in distinction from length or width.Undercut Diameter
0.9700 inches minimum and 0.9800 inches maximum
Details
None.Undercut Width
0.0450 inches minimum and 0.0550 inches maximum
Details
None.Shaft Diameter
0.1195 inches minimum and 0.1200 inches maximum single shaft
Details
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.Shaft Length
0.5590 inches minimum and 0.5650 inches maximum single shaft
Details
A measurement of the longest dimension of the shaft,in distinction from width.Maximum Temp Rise
15.0 deg celsius
Details
The maximum permissible temperature increase in the item as a result of its operation under normal conditions.Body Size
11
Details
An alpha and/or numeric designation indicating the size by which the body is identified.Rotor Input Voltage Rating In Volts
115.0 nominal
Details
The value of the primary excitation voltage for which the rotor is rated,expressed in volts.Frequency In Hertz
400.0 nominal
Details
The cycles per second /hertz/ of the alternating current.Rotor Input Current Rating
60.0 milliamperes nominal
Details
The value of the primary excitation current for which the rotor is rated,with stator /secondary/ circuit open.Rotor Input Electrical Power Rating
800.0 milliwatts nominal
Details
The value of the primary /electrical/ excitation power for which the rotor is rated.Zro Resistance In Ohms
295.00 nominal
Details
The resistance /r/ part of the rotor impedance with the stator open /zro/,expressed in ohms.Zso Resistance In Ohms
171.00 nominal
Details
The resistance /r/ part of the stator impedance with the rotor open /zso/,expressed in ohms.Zrs Resistance In Ohms
356.00 nominal
Details
The resistance /r/ part of the rotor impedance with the stator shorted /zrs/,expressed in ohms.Zso-90 Resistance In Ohms
113.00 nominal
Details
The resistance /r/ part of the stator impedance with the rotor open and displaced 90 degrees from zero /zso-90/,expressed in ohms.Zro Impedance Magnitude In Ohms
2210.00 nominal
Details
The magnitude part /z/ of the rotor impedance with the stator open /zro/,expressed in ohms.Zro Impedance Angle In Deg
82.30 nominal
Details
The angle part /o/ of the rotor impedance with the stator open /zro/,expressed in degrees.Zso Impedance Magnitude In Ohms
1130.00 nominal
Details
The magnitude part /z/ of the stator impedance with the rotor open /zso/,expressed in ohms.Zso Impedance Angle In Deg
81.30 nominal
Details
The angle part /o/ of the stator impedance with the rotor open /zso/,expressed in degrees.Zrs Impedance Magnitude In Ohms
395.00 nominal
Details
The magnitude part /z/ of the rotor impedance with the stator shorted /zrs/,expressed in ohms.Zrs Impedance Angle In Deg
25.80 nominal
Details
The angle part /o/ of the rotor impedance with the stator shorted /zrs/,expressed in degrees.Zso-90 Impedance Magnitude In Ohms
354.00 nominal
Details
The magnitude part /z/ of the stator impedance with the rotor open and displaced 90 degrees from zero /zs0-90/,expressed in ohms.Zso-90 Impedance Angle In Deg
71.30 nominal
Details
The angle part /o/ of the stator impedance with the rotor open and displaced 90 degrees from zero /zso-90/,expressed in degrees.Rotor Dc Resistance In Ohms
135.15 minimum and 182.85 maximum
Details
The opposition that the rotor offers to the flow of the direct current,expressed in ohms.Stator Dc Resistance In Ohms
116.45 minimum and 157.55 maximum
Details
The opposition that the stator offers to the flow of direct current,expressed in ohms.Electrical Error Angular Range In Minutes
-30.0 to 30.0
Details
The limits of permissible deviation in angular arc error from electrical zero,expressed in minutes.Actuator Friction Torque At Minus 55 Deg Celsius
3.0 centimeter-grams nominal
Details
The amount of rotary force that must be applied to the actuator to cause rotation,at minus 55 degrees celsius.Actuator Friction Torque At Plus 25 Deg Celsius
0.3 centimeter-grams nominal
Details
The amount of rotary force that must be applied to the actuator to cause rotation,at plus 25 degrees celsius.Torque Gradient Per Angular Deg
5700.0 millimeter-milligrams nominal
Details
The average torque per angular degree developed between two like items,when one rotor is turned /or displaced/ at 2 degree intervals,between a 10 degree counterclockwise position and 10 degree clockwise position.Pilot Length
0.0590 inches minimum and 0.0650 inches maximum
Details
A measurement of the longest dimension of a pilot,in distinction from width.Shoulder Length
0.0590 inches minimum and 0.0650 inches maximum
Details
None.Mounting Surface To Terminal End Distance
1.7620 inches minimum and 1.7680 inches maximum
Details
None.Terminal Location
rear
Details
Indicates the location of the terminal/s/ on the item.Plus J Zro Reactance In Ohms
2190.00 nominal
Details
The reactance (x) part of the rotor impedance with the stator open (zro).Shaft Slot Depth
0.0300 inches nominal single shaft
Details
None.Plus J Zso Reactance In Ohms
1120.00 nominal
Details
The reactance (x) part of the stator impedance with the rotor open (zso),expressed in ohms.Shaft Slot Width
0.0250 inches nominal single shaft
Details
None.Plus J Zrs Reactance In Ohms
172.00 nominal
Details
The reactance /x/ part of the rotor impedance with the stator shorted /zrs/,expressed in ohms.Shaft Type
round, slotted single shaft
Details
Indicates the type of shaft included on the item.Transformation Ratio
0.752 rotor to stator minimum and 0.814 rotor to stator maximum
Details
The ratio of the output voltage to the input voltage at maximum coupling.Plus J Zso-90 Reactance In Ohms
335.00 nominal
Details
The reactance (x) part of the stator impedance with the rotor open and displaced 90 degrees from zero (zso-90),expressed in ohms.Terminal Type And Quantity
5 wire lead
Details
Indicates the type and number of terminals for providing electrical connection.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| R925-2E | 88818 | 5 | - | 5 | 9 | - | KA |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 34580 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 657 | Z | 9 |
What's Included?
- Certificate of Conformity
- QC Inspection prior to shipping
- On time delivery
- Friendly service to back every order
Manufacturer
KEARFOTT CORP DIV A SUBSIDIARY OF ASTRONAUTICS CORPORATION OF AMERICA
CAGE: 05088
BLACK MOUNTAIN
, NC
, 28711-9111
UNITED STATES
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FAQs
Frequently asked questions for NSN 5990-00-778-9883
What is the NIIN of the NSN 5990-00-778-9883?
The National Item Identification Number (NIIN) of the NSN 5990-00-778-9883 is 00-778-9883
When the NSN 5990-00-778-9883 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Fri, Jan 1, 1960
Does the NSN 5990-00-778-9883 contain any precious metals?
Type/content is unknown
Does the NSN 5990-00-778-9883 contain any hazardous material?
No data in HMIRS
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