The Synchro,control Transformer, cataloged under National Stock Number 5990-00-396-8338, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Astronautics Corporation of America. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5990-00-396-8338 |
| Primary Part Number | 10122-4 |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 0.7500 INCHES NOMINAL IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0895 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 0.6870 INCHES NOMINAL IN |
| Body Style | STANDARD ROUND A |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Stator Input Current Rating | 30.0 MILLIAMPERES NOMINAL |
| Phase Shift Angle in Deg | 9.300 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.2410 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 600.00 NOMINAL |
| Stator Input Electrical Power Rating | 50.0 MILLIWATTS NOMINAL |
| Plus J Zso Reactance in Ohms | 464.00 NOMINAL |
| Zrs Resistance in Ohms | 800.00 NOMINAL |
| Terminal Location | REAR |
| Shaft Length | 0.5000 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 53.00 |
| Shaft Slot Width | 0.0150 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 2580.00 NOMINAL |
| Pilot Length | 0.0430 INCHES NOMINAL IN |
| Zso Resistance in Ohms | 110.00 NOMINAL |
| Electrical Error Angular Range in Minutes | -10.0 TO 10.0 |
| Actuator Friction Torque at Plus 25 Deg Celsius | 3.0 CENTIMETER-GRAMS NOMINAL CM |
| Actuator Friction Torque at Minus 55 Deg Celsius | 12.0 CENTIMETER-GRAMS NOMINAL CM |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| 10122-4 PRIMARY | Astronautics Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| CM41004155 | 5/2 Secondary reference U.S. Government activity |
| CTH-8-BA-6/A004 | 5/2 Secondary reference U.S. Government activity |
NSN 5990-00-396-8338 is a Synchro,control Transformer, manufactured by Astronautics Corporation of America, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-396-8338 has 1 manufacturer part number on file: 10122-4 (Astronautics Corporation of America).
4 possible matches (shared part number, not a government interchangeability claim): 5310-00-721-5932, 5130-00-827-0895, 4820-01-105-5716. Verify interchangeability with system specifications before substitution.
Key specifications for 10122-4: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 0.7500 INCHES NOMINAL IN; Undercut Width: 0.0620 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 5990-00-396-8338 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.