The Synchro,receiver, cataloged under National Stock Number 5990-00-752-2126, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-752-2126 |
| Primary Part Number | 298384 |
| Item Name | Synchro,receiver |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Body Size | 14 |
| Shaft Type | ROUND SINGLE SHAFT |
| Flange Diameter | 1.3120 INCHES NOMINAL IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.1200 INCHES NOMINAL SINGLE SHAFT IN |
| Length | 0.0930 INCHES NOMINAL SHOULDER IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND B |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 2250.0 MILLIMETER-MILLIGRAMS NOMINAL MM |
| Rotor Input Electrical Power Rating | 500.0 MILLIWATTS NOMINAL |
| Mounting Surface to Terminal End Distance | 1.1310 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 220.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 21.60 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft Length | 0.5000 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 1.2500 INCHES NOMINAL IN |
| Shoulder Diameter | 0.6250 INCHES NOMINAL IN |
| Plus J Zro Reactance in Ohms | 88.00 NOMINAL |
| Transformation Ratio | 0.454 STATOR TO ROTOR NOMINAL |
| Pilot Length | 0.0470 INCHES NOMINAL IN |
| Zso Resistance in Ohms | 8.50 NOMINAL |
| Rotor Input Current Rating | 125.0 MILLIAMPERES NOMINAL |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 298384 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| AY119D | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| AY119D | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5990-00-752-2126 is a Synchro,receiver, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-752-2126 has 1 manufacturer part number on file: 298384 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 298384: Body Size: 14; Shaft Type: ROUND SINGLE SHAFT; Flange Diameter: 1.3120 INCHES NOMINAL IN; Undercut Width: 0.0620 INCHES NOMINAL IN. 27 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 5990-00-752-2126 has DEMIL Code D. 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.