The Resolver,electrical, cataloged under National Stock Number 5990-00-503-0387, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-503-0387 |
| Primary Part Number | 1233385 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Size | 23 |
| Shaft Type | ROUND, THREADED SINGLE SHAFT |
| Body Diameter | 1.9840 INCHES NOMINAL IN |
| Flange Diameter | 2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN |
| Shaft Diameter | 0.2400 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 260.30 MINIMUM AND 287.70 MAXIMUM |
| Length | 0.4190 INCHES MINIMUM AND 0.4200 INCHES MAXIMUM SHOULDER IN |
| Body Style | STANDARD ROUND D |
| Flange Thickness | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Shaft Maximum Runout | 0.0020 INCHES IN |
| Stator Input Current Rating | 40.0 MILLIAMPERES NOMINAL |
| Shaft Thread Length | 0.3100 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM SINGLE SHAFT IN |
| Aft of First Flange Diameter | 1.9940 INCHES MINIMUM AND 1.9950 INCHES MAXIMUM IN |
| Phase Shift Angle in Deg | 7.164 INPUT TO OUTPUT MINIMUM AND 7.236 INPUT TO OUTPUT MAXIMUM |
| Mounting Surface to Terminal End Distance | 3.6170 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Stator Input Electrical Power Rating | 200.0 MILLIWATTS NOMINAL |
| Terminal Location | REAR |
| Shaft End Play Determining Weight | 16.0 OUNCES OZ |
| Zso Impedance Angle in Deg | 79.00 NOMINAL |
| Shaft Length | 0.6100 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 0.5990 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM IN |
| Second Shoulder Length | 0.1700 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN |
| Zso Impedance Magnitude in Ohms | 570.00 NOMINAL |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 0.02 OUTPUT |
| Shoulder Diameter | 1.9940 INCHES MINIMUM AND 1.9950 INCHES MAXIMUM IN |
| Shaft Nominal Thread Size | 0.240 INCHES SINGLE SHAFT IN |
| Stator Input Voltage Rating in Volts | 8.0 MINIMUM AND 50.0 MAXIMUM |
| Shaft Thread Direction | RIGHT-HAND SINGLE SHAFT |
| 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 |
|---|---|
| 1233385 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 05G00099-0288 | 5/9 Secondary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| PL01G004094-000 | 5/9 Secondary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| PL01G004094-000PC1 | 5/9 Secondary reference Hsi Electric, Inc. |
| PL01G004094-000 | 5/9 Secondary reference Hsi Electric, Inc. |
| 05G00099-0288 | 5/9 Secondary reference Hsi Electric, Inc. |
NSN 5990-00-503-0387 is a Resolver,electrical, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-503-0387 has 1 manufacturer part number on file: 1233385 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1233385: Body Size: 23; Shaft Type: ROUND, THREADED SINGLE SHAFT; Body Diameter: 1.9840 INCHES NOMINAL IN; Flange Diameter: 2.2490 INCHES MINIMUM AND 2.2500 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.