The Resolver,electrical, cataloged under National Stock Number 5990-00-875-3605, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is British Sarozal Ltd. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-875-3605 |
| Primary Part Number | VRF23-100E |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | British Sarozal Ltd |
| Status | ACTIVE |
| Body Size | 23 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 2.2500 INCHES NOMINAL IN |
| Undercut Width | 0.2030 INCHES NOMINAL IN |
| Shaft Diameter | 0.2404 INCHES MINIMUM AND 0.2407 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 250.00 NOMINAL |
| Length | 0.2520 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND B |
| Flange Thickness | 0.2500 INCHES NOMINAL IN |
| Rotor Input Electrical Power Rating | 5.3 MILLIWATTS NOMINAL |
| Stator Input Current Rating | 445.0 MILLIAMPERES NOMINAL |
| Phase Shift Angle in Deg | 6.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 3.9380 INCHES NOMINAL IN |
| Frequency in Hertz | 10000.0 NOMINAL |
| Zro Resistance in Ohms | 212.00 NOMINAL |
| Stator Input Electrical Power Rating | 5.3 MILLIWATTS NOMINAL |
| Plus J Zso Reactance in Ohms | 634.00 NOMINAL |
| Zrs Resistance in Ohms | 400.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 100.0 MAXIMUM |
| Shaft Length | 1.7090 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.6000 INCHES NOMINAL IN |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 30.00 INPUT |
| Shoulder Diameter | 1.9995 INCHES NOMINAL IN |
| Stator Input Voltage Rating in Volts | 26.0 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 15.00 |
| Shaft Slot Width | 0.0300 INCHES NOMINAL SINGLE SHAFT IN |
| Interaxis Error Angular Range in Minutes | -5.0 TO 5.0 |
| Plus J Zro Reactance in Ohms | 815.00 NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| VRF23-100E | British Sarozal Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 815-10D904 | 3/9 Design control — primary reference Advanced Logic Resources Inc Dba Alr |
| 815-10D904 | 5/9 Secondary reference Gap Instrument Corp |
| RS600N-111B | 5/9 Secondary reference Lambda Novatronics Inc Delray Opns |
| VRF23/41-100E | 5/9 Secondary reference Vernitron Corp |
NSN 5990-00-875-3605 is a Resolver,electrical, manufactured by British Sarozal Ltd, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-875-3605 has 1 manufacturer part number on file: VRF23-100E (British Sarozal Ltd).
Key specifications for VRF23-100E: Body Size: 23; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 2.2500 INCHES NOMINAL IN; Undercut Width: 0.2030 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 5990-00-875-3605 has DEMIL Code B. 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.