The Synchro,receiver, cataloged under National Stock Number 5990-00-772-9277, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-772-9277 |
| Item Name | Synchro,receiver |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 11 |
| Shaft Type | SPLINE W/THREADS SINGLE SHAFT |
| Flange Diameter | 1.0570 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM IN |
| Zss Impedance Magnitude in Ohms | 10.40 NOMINAL |
| Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shaft Diameter | 0.1867 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 0.9750 INCHES NOMINAL IN |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Rotor Input Electrical Power Rating | 760.0 MILLIWATTS NOMINAL |
| Zro Impedance Angle in Deg | 78.40 NOMINAL |
| Spline Tooth Quantity | 21 SINGLE SHAFT |
| Shaft Thread Length | 0.2000 INCHES NOMINAL SINGLE SHAFT IN |
| Phase Shift Angle in Deg | 7.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.8570 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Zso Impedance Angle in Deg | 80.50 NOMINAL |
| Shaft Length | 0.5550 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Spline Tooth Diametral Pitch | 120 SINGLE SHAFT |
| Zso Impedance Magnitude in Ohms | 42.00 NOMINAL |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 20.00 OUTPUT |
| Shoulder Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Shaft Nominal Thread Size | 0.190 INCHES SINGLE SHAFT IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 11R2N4R100A | 2/2 Government specification standardization U.S. Government activity |
| 3R983-004D | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-R-21530/1 | 4/1 Identification reference U.S. Government activity |
NSN 5990-00-772-9277 is a Synchro,receiver, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-772-9277: Body Size: 11; Shaft Type: SPLINE W/THREADS SINGLE SHAFT; Flange Diameter: 1.0570 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM IN; Zss Impedance Magnitude in Ohms: 10.40 NOMINAL. 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.
NSN 5990-00-772-9277 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.