The Resolver,electrical, cataloged under National Stock Number 5990-00-780-8915, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Acutronic Deutschland Gmbh. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5990-00-780-8915 |
| Primary Part Number | 11R2NUR100X |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Acutronic Deutschland Gmbh |
| Status | ACTIVE |
| Body Size | 11 |
| Shaft Type | ROUND SINGLE SHAFT |
| Flange Diameter | 1.0570 INCHES MINIMUM AND 1.0750 INCHES MAXIMUM IN |
| Undercut Width | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Shaft Diameter | 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 0.9750 INCHES NOMINAL IN |
| Length | 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0900 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN |
| Rotor Input Electrical Power Rating | 760.0 MILLIWATTS NOMINAL |
| Alignment Hole Bolt Circle Diameter | 0.8120 INCHES NOMINAL IN |
| Phase Shift Angle in Deg | 7.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.8600 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 36.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 41.50 NOMINAL |
| Zrs Resistance in Ohms | 38.50 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Alignment Hole Quantity | 4 |
| Shaft Length | 0.4610 INCHES MINIMUM AND 0.4750 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 20.00 OUTPUT |
| Shoulder Diameter | 0.9997 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Alignment Hole Depth | 0.1250 INCHES NOMINAL IN |
| Plus J Zro Reactance in Ohms | 175.00 NOMINAL |
| Transformation Ratio | 0.454 STATOR TO ROTOR NOMINAL |
| Pilot Length | 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM 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 |
|---|---|
| 11R2NUR100X | Acutronic Deutschland Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 11R2N4R100X | 2/2 Government specification standardization U.S. Government activity |
| 2258821 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| MILR21530-14 | 4/1 Identification reference U.S. Government activity |
NSN 5990-00-780-8915 is a Resolver,electrical, manufactured by Acutronic Deutschland Gmbh, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-780-8915 has 1 manufacturer part number on file: 11R2NUR100X (Acutronic Deutschland Gmbh).
1 possible match (shared part number, not a government interchangeability claim): 5990-00-942-4006. Verify interchangeability with system specifications before substitution.
Key specifications for 11R2NUR100X: Body Size: 11; Shaft Type: ROUND SINGLE SHAFT; Flange Diameter: 1.0570 INCHES MINIMUM AND 1.0750 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.