The Synchro,transmitter, cataloged under National Stock Number 5990-01-013-4569, is classified within Federal Supply Class 5990 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-013-4569 |
| Primary Part Number | M20708/78-02C |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Shaft Diameter | 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Zss Impedance Magnitude in Ohms | 11.00 MINIMUM AND 15.00 MAXIMUM |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Electrical Error Angular Range in Minutes | -7.0 TO 7.0 |
| Actuator Friction Torque at Minus 55 Deg Celsius | 0.04 INCH-OUNCES NOMINAL IN |
| Shaft Slot Width | 0.0200 INCHES NOMINAL SINGLE SHAFT IN |
| Transformation Ratio | 0.454 ROTOR TO STATOR NOMINAL |
| Body Style | STANDARD ROUND A |
| Undercut Diameter | 0.6870 INCHES NOMINAL IN |
| Flange Diameter | 0.7500 INCHES MAXIMUM IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Pilot Diameter | 0.5000 INCHES MAXIMUM IN |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 20.00 OUTPUT |
| Test Data Document | 81349-MIL-S-20708 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Shaft Slot Depth | 0.0250 INCHES NOMINAL SINGLE SHAFT IN |
| Terminal Location | REAR |
| Mounting Surface to Terminal End Distance | 1.2400 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-S-20708/78 GOVERNMENT SPECIFICATION |
| Fragility Factor | MODERATELY RUGGED |
| Zro Impedance Magnitude in Ohms | 170.00 MINIMUM AND 215.00 MAXIMUM |
| Shaft Length | 0.5000 INCHES NOMINAL SINGLE SHAFT IN |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Rotor Input Current Rating | 153.0 MILLIAMPERES NOMINAL |
| Pilot Length | 0.0400 INCHES NOMINAL IN |
| Body Material | ALUMINUM |
| Zro Impedance Angle in Deg | 77.50 MINIMUM AND 80.50 MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M20708/78-02C PRIMARY | Sae International Dba Sae International (USA) |
| MIL-S-20708/78 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M20708/78-02C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M20708/78D-002 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SAE-AS20708/78 | Sae International Dba Sae International (USA) |
| 26V-08CX4C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5990-01-013-4569 is a Synchro,transmitter, manufactured by Sae International Dba Sae International, classified under FSC 5990 (No Item Name Available). Status: active.
NSN 5990-01-013-4569 has 6 cross-referenced part numbers: M20708/78-02C (Sae International Dba Sae International), MIL-S-20708/78 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M20708/78-02C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M20708/78D-002 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SAE-AS20708/78 (Sae International Dba Sae International) and 1 more.
There is 1 known substitute for 5990-01-013-4569: 5990-00-465-4829. Verify interchangeability with system specifications before substitution.
Key specifications for M20708/78-02C: Shaft Diameter: 0.0900 INCHES MAXIMUM SINGLE SHAFT IN; Zss Impedance Magnitude in Ohms: 11.00 MINIMUM AND 15.00 MAXIMUM; Maximum Total Null Voltage Output in Millivolts Per Volt: 30.00; Rotor Input Voltage Rating in Volts: 26.0 NOMINAL. 30 total characteristics are documented in the Federal Logistics Information System.