The Synchro,control Transformer, cataloged under National Stock Number 5990-00-252-1701, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cda Intercorp Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-252-1701 |
| Primary Part Number | O8CT-01B2-A |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Cda Intercorp Llc |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 0.7450 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 420.00 NOMINAL |
| 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 MAXIMUM |
| Zro Impedance Angle in Deg | 75.00 NOMINAL |
| Phase Shift Angle in Deg | 10.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.2400 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Stator Input Electrical Power Rating | 100.0 MILLIWATTS NOMINAL |
| Terminal Location | REAR |
| Zso Impedance Angle in Deg | 75.00 NOMINAL |
| Shaft Length | 0.4610 INCHES MINIMUM AND 0.4850 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Zso Impedance Magnitude in Ohms | 2490.00 NOMINAL |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 34.00 OUTPUT |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 53.00 |
| Shaft Slot Width | 0.0250 INCHES NOMINAL SINGLE SHAFT IN |
| Transformation Ratio | 2.203 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0400 INCHES NOMINAL IN |
| Electrical Error Angular Range in Minutes | -5.0 TO 5.0 |
| 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| O8CT-01B2-A | Cda Intercorp Llc (USA) |
| CM41004079 | Kearfott Corp Div Kearfott Corporation (USA) |
| Reference | Meaning |
|---|---|
| 414884-3 | 5/2 Secondary reference U.S. Government activity |
| CM41004079 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5990-00-252-1701 is a Synchro,control Transformer, manufactured by Cda Intercorp Llc, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-252-1701 has 2 manufacturer part numbers on file: O8CT-01B2-A (Cda Intercorp Llc), CM41004079 (Kearfott Corp Div Kearfott Corporation).
Key specifications for O8CT-01B2-A: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 0.7450 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM 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.
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.