The Synchro,transmitter, cataloged under National Stock Number 5990-00-465-4829, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5990-00-465-4829 |
| Primary Part Number | M20708/78-01C |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Body Style | STANDARD ROUND A |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Undercut Diameter | 0.6920 INCHES NOMINAL IN |
| Flange Diameter | 0.7470 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Zss Impedance Magnitude in Ohms | 11.00 MINIMUM AND 15.00 MAXIMUM |
| Phase Shift Angle in Deg | 8.500 INPUT TO OUTPUT NOMINAL |
| Body Size | 8 |
| Body Material | STEEL CORROSION RESISTING |
| Transformation Ratio | 0.454 ROTOR TO STATOR NOMINAL |
| Shaft Slot Depth | 0.0250 INCHES NOMINAL SINGLE SHAFT IN |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Electrical Error Angular Range in Minutes | -7.0 TO 7.0 |
| Pilot Length | 0.0400 INCHES NOMINAL IN |
| Zro Impedance Magnitude in Ohms | 170.00 MINIMUM AND 215.00 MAXIMUM |
| Shaft Diameter | 0.0895 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Mounting Surface to Terminal End Distance | 1.2400 INCHES MAXIMUM IN |
| Zro Impedance Angle in Deg | 77.50 MINIMUM AND 80.50 MAXIMUM |
| Actuator Friction Torque at Plus 25 Deg Celsius | 0.04 INCH-OUNCES MAXIMUM IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Rotor Input Current Rating | 153.0 MILLIAMPERES MAXIMUM |
| 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.). |
| Fragility Factor | MODERATELY RUGGED |
| Shaft Length | 0.3650 INCHES NOMINAL SINGLE SHAFT IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zss Impedance Angle in Deg | 9.00 MINIMUM AND 15.00 MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M20708/78-01C PRIMARY | Sae International Dba Sae International (USA) |
| AS20708/78 | Sae Customer Service Dept 2045 (USA) |
| 128913 | Moog Inc. (USA) |
| 531500-1 | Raytheon Company Dba Raytheon (USA) |
| M20708/78-01C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 26V-08CX4C/78-01C | Moog Inc. (USA) |
| 26V-08CX4C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M20708/78-001 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M20708-78D001 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-S-20708/78 | 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) |
| 7101901 | Ge Aviation Systems Llc Dba Ge Aviation (USA) |
NSN 5990-00-465-4829 is a Synchro,transmitter, manufactured by Sae International Dba Sae International, classified under FSC 5990 (No Item Name Available). Status: cancelled.
NSN 5990-00-465-4829 has 12 cross-referenced part numbers: M20708/78-01C (Sae International Dba Sae International), AS20708/78 (Sae Customer Service Dept 2045), 128913 (Moog Inc.), 531500-1 (Raytheon Company Dba Raytheon), M20708/78-01C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.
There are 5 known substitutes for 5990-00-465-4829: 3020-00-118-7524, 5305-00-754-3111, 5305-00-855-0961 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for M20708/78-01C: Overall Length: 1.6050 INCHES NOMINAL IN; Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Flange Thickness: 0.0620 INCHES NOMINAL IN; Body Style: STANDARD ROUND A. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 5990-00-465-4829 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.