The Synchro,transmitter, cataloged under National Stock Number 5990-00-583-9577, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ahlers Aerospace, Inc. Dba Ahlers Aerospace Inc. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-583-9577 |
| Primary Part Number | S43-0002 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Ahlers Aerospace, Inc. Dba Ahlers Aerospace Inc |
| Status | ACTIVE |
| Body Size | 11 |
| Shaft Type | ROUND SINGLE SHAFT |
| Flange Diameter | 1.0620 INCHES NOMINAL IN |
| Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shaft Diameter | 0.1200 INCHES NOMINAL SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 9.00 NOMINAL |
| Undercut Diameter | 1.0000 INCHES NOMINAL IN |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 5500.000 MILLIMETER-MILLIGRAMS NOMINAL MM |
| Rotor Input Electrical Power Rating | 1.0 WATTS NOMINAL |
| Zro Impedance Angle in Deg | 81.70 NOMINAL |
| Phase Shift Angle in Deg | 5.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.7340 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Zso Impedance Angle in Deg | 79.50 NOMINAL |
| Shaft Length | 0.3500 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | ALUMINUM |
| Pilot Diameter | 0.6250 INCHES NOMINAL IN |
| Zso Impedance Magnitude in Ohms | 18.10 NOMINAL |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 17.00 OUTPUT |
| Shoulder Diameter | 0.9750 INCHES NOMINAL IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 26.00 |
| Transformation Ratio | 0.454 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CR40911017 | Kearfott Corp Div Kearfott Corporation (USA) |
| S43-0002 PRIMARY | Ahlers Aerospace, Inc. Dba Ahlers Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 0CR40911017 | 5/9 Secondary reference U.S. Government activity |
| P22-39-2 | 3/2 Design control — primary reference U.S. Government activity |
| CR40911017 | 5/9 Secondary reference U.S. Government activity |
NSN 5990-00-583-9577 is a Synchro,transmitter, manufactured by Ahlers Aerospace, Inc. Dba Ahlers Aerospace Inc, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-583-9577 has 2 manufacturer part numbers on file: CR40911017 (Kearfott Corp Div Kearfott Corporation), S43-0002 (Ahlers Aerospace, Inc. Dba Ahlers Aerospace Inc).
1 possible match (shared part number, not a government interchangeability claim): 3805-01-165-9662. Verify interchangeability with system specifications before substitution.
Key specifications for S43-0002: Body Size: 11; Shaft Type: ROUND SINGLE SHAFT; Flange Diameter: 1.0620 INCHES NOMINAL IN; Undercut Width: 0.0500 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 5990-00-583-9577 has DEMIL Code Q. 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.