The Resolver,electrical, cataloged under National Stock Number 5990-00-644-0075, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Schulze Mfg., Inc.. Government technical data includes 22 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5990-00-644-0075 |
| Primary Part Number | 23SS1582B |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Schulze Mfg., Inc. |
| Status | ACTIVE |
| Body Size | 24 |
| Shaft Type | ROUND SINGLE SHAFT |
| Shaft Diameter | 0.1240 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 100.00 NOMINAL |
| Body Style | ROUND, SQUARE MOUNTING FLANGE |
| Flange Thickness | 0.3130 INCHES NOMINAL IN |
| Shaft Maximum Runout | 0.0020 INCHES IN |
| Securing Hole Bolt Circle Diameter | 1.9370 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 2.6410 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Flange Length | 2.3750 INCHES NOMINAL IN |
| Shaft End Play Determining Weight | 16.0 OUNCES OZ |
| Shaft Maximum Radial Play | 0.0010 INCHES IN |
| Shaft Length | 0.3750 INCHES NOMINAL SINGLE SHAFT IN |
| Stator Input Voltage Rating in Volts | 26.0 NOMINAL |
| Securing Hole Quantity | 4 |
| Transformation Ratio | 0.290 STATOR TO ROTOR NOMINAL |
| Flange Width | 2.3750 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING BODY |
| Terminal Type and Quantity | 7 SCREW |
| Stator DC Resistance in Ohms | 200.00 NOMINAL AND 420.00 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 |
|---|---|
| 23SS1582B | Schulze Mfg., Inc. (USA) |
| Reference | Meaning |
|---|---|
| M0-1033 | 3/9 Design control — primary reference U.S. Government activity |
| M0-1033K | 5/9 Secondary reference U.S. Government activity |
| NR-59B | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1425-0410 | 5/2 Secondary reference U.S. Government activity |
| 23-4213-01 | 5/2 Secondary reference U.S. Government activity |
NSN 5990-00-644-0075 is a Resolver,electrical, manufactured by Schulze Mfg., Inc., classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-644-0075 has 1 manufacturer part number on file: 23SS1582B (Schulze Mfg., Inc.).
Key specifications for 23SS1582B: Body Size: 24; Shaft Type: ROUND SINGLE SHAFT; Shaft Diameter: 0.1240 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM SINGLE SHAFT IN; Rotor DC Resistance in Ohms: 100.00 NOMINAL. 22 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 5990-00-644-0075 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.