The Synchro,control Transformer, cataloged under National Stock Number 5990-00-062-5797, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-062-5797 |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 1.0057 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM IN |
| Undercut Width | 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN |
| Shaft Diameter | 0.1242 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 0.0005 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN |
| Shaft Tapered End Minor Diameter | 0.0600 INCHES NOMINAL SINGLE SHAFT IN |
| Length | 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0900 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 3.9340 INCHES MINIMUM AND 3.9400 INCHES MAXIMUM IN |
| Terminal Location | SIDE |
| Shaft Length | 0.8650 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.9700 INCHES MINIMUM AND 0.9800 INCHES MAXIMUM IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 26.9340 |
| Shaft Taper Length | 0.0100 INCHES NOMINAL SINGLE SHAFT IN |
| Shaft Slot Width | 0.0200 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM FRONT SHAFT IN |
| Transformation Ratio | 0.0985 STATOR TO ROTOR MINIMUM AND 0.1067 STATOR TO ROTOR MAXIMUM |
| Pilot Length | 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN |
| Actuator Friction Torque at Plus 25 Deg Celsius | 3.00 CENTIMETER-GRAMS NOMINAL CM |
| Actuator Friction Torque at Minus 55 Deg Celsius | 6.00 CENTIMETER-GRAMS NOMINAL CM |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Shaft Slot Depth | 0.0250 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM FRONT SHAFT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 926C321P5 | 1/2 Source control — Government-approved source U.S. Government activity |
| CM41003027 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5990-00-062-5797 is a Synchro,control Transformer, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-062-5797: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 1.0057 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM IN; Undercut Width: 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN. 24 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 5990-00-062-5797 has DEMIL Code D. 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.