The Resolver,electrical, cataloged under National Stock Number 5990-00-784-5557, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-784-5557 |
| Primary Part Number | 2313504 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | L3harris Technologies, Inc. |
| 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 | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0880 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 0.8370 INCHES MINIMUM AND 0.8400 INCHES MAXIMUM IN |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0630 INCHES NOMINAL IN |
| Alignment Hole Bolt Circle Diameter | 0.6780 INCHES NOMINAL IN |
| Phase Shift Angle in Deg | 1.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.2810 INCHES MAXIMUM IN |
| Frequency in Hertz | 10000.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 2.0 NOMINAL |
| Alignment Hole Quantity | 3 |
| Shaft Length | 0.2500 INCHES NOMINAL 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 |
| Stator Input Voltage Rating in Volts | 2.0 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 40.00 |
| Alignment Hole Depth | 0.0500 INCHES NOMINAL IN |
| Shaft Slot Width | 0.0460 INCHES NOMINAL SINGLE SHAFT IN |
| Transformation Ratio | 1.800 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0380 INCHES NOMINAL IN |
| Actuator Friction Torque at Plus 25 Deg Celsius | 3.0 CENTIMETER-GRAMS NOMINAL CM |
| Actuator Friction Torque at Minus 55 Deg Celsius | 9.0 CENTIMETER-GRAMS NOMINAL CM |
| Material | STEEL CORROSION RESISTING BODY |
| Terminal Type and Quantity | 8 SOLDER STUD |
| 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 |
|---|---|
| 2313504 | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ESC10BS2A483 | 3/2 Design control — primary reference U.S. Government activity |
| 2313504 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 5990-00-784-5557 is a Resolver,electrical, manufactured by L3harris Technologies, Inc., classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-784-5557 has 1 manufacturer part number on file: 2313504 (L3harris Technologies, Inc.).
Key specifications for 2313504: Body Size: 10; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 0.9360 INCHES MINIMUM AND 0.9370 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.
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.