The Resolver,electrical, cataloged under National Stock Number 5990-00-797-7649, 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 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-797-7649 |
| Primary Part Number | 714056-2 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Body Size | 10 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 0.9360 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM IN |
| Undercut Width | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Shaft Diameter | 0.0895 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 200.00 NOMINAL |
| Length | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM SHOULDER IN |
| Body Style | STANDARD ROUND B |
| Flange Thickness | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Rotor Input Electrical Power Rating | 60.0 MILLIWATTS MAXIMUM |
| Phase Shift Angle in Deg | 15.000 INPUT TO OUTPUT MINIMUM AND 19.000 INPUT TO OUTPUT MAXIMUM |
| Mounting Surface to Terminal End Distance | 1.1110 INCHES MINIMUM AND 1.1210 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft Maximum Radial Play | 0.0008 INCHES IN |
| Shaft Length | 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.8118 INCHES MINIMUM AND 0.8123 INCHES MAXIMUM IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 60.00 |
| Shaft Slot Width | 0.0250 INCHES MINIMUM AND 0.0270 INCHES MAXIMUM SINGLE SHAFT IN |
| Transformation Ratio | 0.440 STATOR TO ROTOR MINIMUM AND 0.468 STATOR TO ROTOR MAXIMUM |
| Pilot Length | 0.0330 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM IN |
| Electrical Error Angular Range in Minutes | -18.0 TO 18.0 |
| Actuator Friction Torque at Plus 25 Deg Celsius | 7.00 CENTIMETER-GRAMS MAXIMUM CM |
| Test Data Document | 56232-714056-2 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Rotor Input Current Rating | 55.0 MILLIAMPERES MAXIMUM |
| Actuator Friction Torque at Minus 55 Deg Celsius | 25.00 CENTIMETER-GRAMS MAXIMUM CM |
| Terminal Type and Quantity | 7 WIRE LEAD |
| 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 |
|---|---|
| 714056-2 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5990-00-797-7649 is a Resolver,electrical, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-797-7649 has 1 manufacturer part number on file: 714056-2 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-260-1092. Verify interchangeability with system specifications before substitution.
Key specifications for 714056-2: Body Size: 10; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 0.9360 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM IN; Undercut Width: 0.0570 INCHES MINIMUM AND 0.0670 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.