Receiver Synchro
ERHA1
(NSN) National Stock Number
5990-00-937-7646
Federal Supply Classification
5990 Synchros and Resolvers
Item Name Code
02072
Schedule B Code
9014900000
Summary
Standard round a body style, 0.4995 inches minimum and 0.5000 inches maximum pilot diameter, 1.9380 inches nominal overall length, 0.7470 inches minimum and 0.7500 inches maximum flange diameter, 0.0620 inches nominal flange thickness, 0.7550 inches maximum undercut diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | C |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | AC | - | 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 a
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.Pilot Diameter
0.4995 inches minimum and 0.5000 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
1.9380 inches nominal
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Flange Diameter
0.7470 inches minimum and 0.7500 inches maximum
Details
The length of a straight line which passes through the center of a flange,and terminates at the circumference.Flange Thickness
0.0620 inches nominal
Details
A measurement of the smallest dimension of a flange,in distinction from length or width.Undercut Diameter
0.7550 inches maximum
Details
None.Undercut Width
0.0570 inches minimum
Details
None.Shaft Diameter
0.0895 inches minimum and 0.0900 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
0.3750 inches nominal single shaft
Details
A measurement of the longest dimension of the shaft,in distinction from width.Body Size
8
Details
An alpha and/or numeric designation indicating the size by which the body is identified.Rotor Input Voltage Rating In Volts
26.0 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
115.0 milliamperes maximum
Details
The value of the primary excitation current for which the rotor is rated,with stator /secondary/ circuit open.Rotor Input Electrical Power Rating
540.0 milliwatts nominal
Details
The value of the primary /electrical/ excitation power for which the rotor is rated.Zro Resistance In Ohms
54.00 nominal
Details
The resistance /r/ part of the rotor impedance with the stator open /zro/,expressed in ohms.Zso Resistance In Ohms
12.00 nominal
Details
The resistance /r/ part of the stator impedance with the rotor open /zso/,expressed in ohms.Rotor Dc Resistance In Ohms
37.00 nominal
Details
The opposition that the rotor offers to the flow of the direct current,expressed in ohms.Stator Dc Resistance In Ohms
12.00 nominal
Details
The opposition that the stator offers to the flow of direct current,expressed in ohms.Phase Shift Angle In Deg
8.500 input to output nominal
Details
The difference between the phase time of two or more voltages or currents of the same frequency,at the same instant of time,expressed in degrees.Electrical Error Angular Range In Minutes
-15.0 to 15.0
Details
The limits of permissible deviation in angular arc error from electrical zero,expressed in minutes.Actuator Friction Torque At Minus 55 Deg Celsius
0.6 centimeter-grams maximum
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 maximum
Details
The amount of rotary force that must be applied to the actuator to cause rotation,at plus 25 degrees celsius.Pilot Length
0.0430 inches nominal
Details
A measurement of the longest dimension of a pilot,in distinction from width.Mounting Surface To Terminal End Distance
1.4070 inches maximum
Details
None.Body Material
steel corrosion resisting
Details
The chemical compound or mechanical mixture properties of which the body is fabricated.Terminal Location
rear
Details
Indicates the location of the terminal/s/ on the item.Plus J Zro Reactance In Ohms
26.00 nominal
Details
The reactance (x) part of the rotor impedance with the stator open (zro).Shaft Slot Depth
0.0280 inches nominal single shaft
Details
None.Plus J Zso Reactance In Ohms
45.00 nominal
Details
The reactance (x) part of the stator impedance with the rotor open (zso),expressed in ohms.Shaft Slot Width
0.0230 inches nominal single shaft
Details
None.Shaft Type
round, slotted single shaft
Details
Indicates the type of shaft included on the item.Terminal Type And Quantity
5 turret
Details
Indicates the type and number of terminals for providing electrical connection.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 08TR4E3T1S | 99479 | 1 | - | 3 | 2 | - | TX |
| B81D0002-1 | 12464 | 1 | - | 5 | 9 | - | TX |
| 8TR302A1 | 06989 | 1 | - | 3 | 2 | - | TX |
| ERH8A1 | 99932 | 1 | - | 3 | 2 | - | TX |
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
FAQs
Frequently asked questions for NSN 5990-00-937-7646
What is the NIIN of the NSN 5990-00-937-7646?
The National Item Identification Number (NIIN) of the NSN 5990-00-937-7646 is 00-937-7646
When the NSN 5990-00-937-7646 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, Feb 3, 1967
Does the NSN 5990-00-937-7646 contain any precious metals?
Type/content is unknown
Does the NSN 5990-00-937-7646 contain any hazardous material?
No data in HMIRS
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