The Synchro,differential Transmitter, cataloged under National Stock Number 5990-00-977-8096, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-977-8096 |
| Primary Part Number | M20708/80-01C |
| Item Name | Synchro,differential Transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Zrs Impedance Angle in Deg | 15.00 MINIMUM AND 20.00 MAXIMUM |
| Flange Diameter | 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0898 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 0.6870 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND A |
| Zrs Impedance Magnitude in Ohms | 35.00 MINIMUM AND 48.00 MAXIMUM |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Stator Input Current Rating | 108.0 MILLIAMPERES MAXIMUM |
| Phase Shift Angle in Deg | 9.500 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.2400 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Stator Input Electrical Power Rating | 240.0 MILLIWATTS NOMINAL |
| Terminal Location | REAR |
| Zso Impedance Angle in Deg | 74.00 MINIMUM AND 79.00 MAXIMUM |
| Shaft Length | 0.3750 INCHES NOMINAL SINGLE SHAFT IN |
| Specification/standard Data | 81349-MIL-S-20708/80 GOVERNMENT SPECIFICATION |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Zso Impedance Magnitude in Ohms | 95.00 MINIMUM AND 120.00 MAXIMUM |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 20.00 OUTPUT |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Shaft Slot Width | 0.0200 INCHES NOMINAL SINGLE SHAFT IN |
| Transformation Ratio | 1.154 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0400 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M20708/80-01C PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| M20708/80-01C | 5/9 Secondary reference U.S. Government activity |
| AS20708/80 | 5/9 Secondary reference Sae International Dba Sae International |
| 26V-08CDX4C/80-01C | 5/1 Secondary reference Moog Inc. |
| 26V08CDX4C | C/1 Advisory reference — outside the item-of-supply concept Cda Intercorp Llc |
| M20708-80D001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| M20708/80-001 | 5/9 Secondary reference U.S. Government activity |
| 126V08CDX4C | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-S-20708/80 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS20708/80 | 3/1 Design control — primary reference Sae International Dba Sae International |
| M20708/80-01C | 5/9 Secondary reference U.S. Government activity |
| 26V-08CDX4C/80-01C | 5/9 Secondary reference U.S. Government activity |
| AS20708/80 | 5/9 Secondary reference U.S. Government activity |
| AS20708/80 | 5/1 Secondary reference Sae Customer Service Dept 2045 |
NSN 5990-00-977-8096 is a Synchro,differential Transmitter, manufactured by Sae International Dba Sae International, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-977-8096 has 1 manufacturer part number on file: M20708/80-01C (Sae International Dba Sae International).
Key specifications for M20708/80-01C: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Zrs Impedance Angle in Deg: 15.00 MINIMUM AND 20.00 MAXIMUM; Flange Diameter: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.