The Resolver,electrical, cataloged under National Stock Number 5990-00-239-3430, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kearfott Corp Div Kearfott Corporation. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-239-3430 |
| Primary Part Number | CM41005012 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Kearfott Corp Div Kearfott Corporation |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0895 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 36.00 NOMINAL |
| Undercut Diameter | 0.6880 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN |
| Body Style | STANDARD ROUND A |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Rotor Input Electrical Power Rating | 250.0 MILLIWATTS NOMINAL |
| Stator Input Current Rating | 30.0 MILLIAMPERES NOMINAL |
| Phase Shift Angle in Deg | 13.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.2410 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 38.00 NOMINAL |
| Stator Input Electrical Power Rating | 230.0 MILLIWATTS NOMINAL |
| Plus J Zso Reactance in Ohms | 830.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 11.8 NOMINAL |
| Shaft Length | 0.6370 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Stator Input Voltage Rating in Volts | 26.0 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 40.00 |
| Shaft Slot Width | 0.0250 INCHES NOMINAL SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 122.00 NOMINAL |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Zso Resistance in Ohms | 250.00 NOMINAL |
| Electrical Error Angular Range in Minutes | -7.0 TO 7.0 |
| Actuator Friction Torque at Plus 25 Deg Celsius | 3.0 CENTIMETER-GRAMS MAXIMUM CM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CM41005012 PRIMARY | Kearfott Corp Div Kearfott Corporation (USA) |
| 8CRD300B34 PRIMARY | American Precision Industries, Inc Div Portescap Us (USA) |
| Reference | Meaning |
|---|---|
| CM41005012 | 5/9 Secondary reference U.S. Government activity |
| 4255-15-01 | 3/2 Design control — primary reference U.S. Government activity |
| CDSH8BQ4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5990-00-239-3430 is a Resolver,electrical, manufactured by Kearfott Corp Div Kearfott Corporation, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-239-3430 has 2 manufacturer part numbers on file: CM41005012 (Kearfott Corp Div Kearfott Corporation), 8CRD300B34 (American Precision Industries, Inc Div Portescap Us).
Key specifications for CM41005012: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; Undercut Width: 0.0620 INCHES NOMINAL 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.
NSN 5990-00-239-3430 has DEMIL Code Q. 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.