The Synchro,transmitter, cataloged under National Stock Number 5990-00-583-9458, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-583-9458 |
| Primary Part Number | 15CX3A1566 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Schulze Mfg., Inc. |
| Status | ACTIVE |
| Body Size | 15 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN |
| Undercut Width | 0.0780 INCHES NOMINAL IN |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 53.00 NOMINAL |
| Undercut Diameter | 1.3120 INCHES NOMINAL IN |
| Length | 0.1320 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0730 INCHES NOMINAL IN |
| Rotor Input Electrical Power Rating | 400.0 MILLIWATTS NOMINAL |
| Alignment Hole Bolt Circle Diameter | 0.8750 INCHES NOMINAL IN |
| Phase Shift Angle in Deg | 7.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.9870 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 110.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Alignment Hole Quantity | 4 |
| Shaft Length | 0.5400 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Alignment Hole Depth | 0.1250 INCHES MAXIMUM IN |
| Shaft Slot Width | 0.0210 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 415.00 NOMINAL |
| Transformation Ratio | 2.200 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0400 INCHES NOMINAL IN |
| Electrical Error Angular Range in Minutes | -7.5 TO 7.5 |
| 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 |
|---|---|
| 15CX3A1566 | Schulze Mfg., Inc. (USA) |
| Reference | Meaning |
|---|---|
| AY261A3B | 3/2 Design control — primary reference U.S. Government activity |
| 254562 | 5/9 Secondary reference Raytheon Technical Services Company |
| AY261A3B | 3/9 Design control — primary reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5990-00-583-9458 is a Synchro,transmitter, manufactured by Schulze Mfg., Inc., classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-583-9458 has 1 manufacturer part number on file: 15CX3A1566 (Schulze Mfg., Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4030-00-994-9429, 4820-01-029-9641. Verify interchangeability with system specifications before substitution.
Key specifications for 15CX3A1566: Body Size: 15; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN; Undercut Width: 0.0780 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 5990-00-583-9458 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.