The Resolver,electrical, cataloged under National Stock Number 5990-01-339-9147, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-339-9147 |
| Primary Part Number | AK3277-001 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Body Size | 23 |
| Body Diameter | 2.2495 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN |
| Rotor DC Resistance in Ohms | 30.30 MINIMUM AND 46.30 MAXIMUM |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | PICK-OFF A |
| Phase Shift Angle in Deg | 13.000 INPUT TO OUTPUT MINIMUM AND 17.000 INPUT TO OUTPUT MAXIMUM |
| Frequency in Hertz | 990.0 MINIMUM AND 1034.0 MAXIMUM |
| Zro Resistance in Ohms | 35.00 MINIMUM AND 53.00 MAXIMUM |
| Terminal Location | REAR AND SIDE |
| Rotor Input Voltage Rating in Volts | 7.0 NOMINAL |
| Body Thru-Hole Diameter | 1.0000 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 13.00 INPUT |
| Plus J Zro Reactance in Ohms | 28.00 MINIMUM AND 45.00 MAXIMUM |
| Transformation Ratio | 0.477 ROTOR TO STATOR MINIMUM AND 0.507 ROTOR TO STATOR MAXIMUM |
| Material | STEEL CORROSION RESISTING BODY |
| Terminal Type and Quantity | 9 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 |
|---|---|
| VRP23-4 | General Dynamics Motion Control Llc (USA) |
| AK3277-001 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| Reference | Meaning |
|---|---|
| SSJH-23-D-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5990-01-339-9147 is a Resolver,electrical, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-339-9147 has 2 manufacturer part numbers on file: VRP23-4 (General Dynamics Motion Control Llc), AK3277-001 (Northrop Grumman Corp Electronic Systems Defensive System Div).
Key specifications for AK3277-001: Body Size: 23; Body Diameter: 2.2495 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN; Rotor DC Resistance in Ohms: 30.30 MINIMUM AND 46.30 MAXIMUM; Fragility Factor: MODERATELY RUGGED. 16 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.