The Synchro,transmitter, cataloged under National Stock Number 5990-00-485-7600, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is American Precision Industries, Inc Div Portescap Us. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-485-7600 |
| Primary Part Number | 11CX310G21E |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | American Precision Industries, Inc Div Portescap Us |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Body Diameter | 0.7530 INCHES MAXIMUM IN |
| Flange Diameter | 1.0600 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM IN |
| Zss Impedance Magnitude in Ohms | 11.00 MINIMUM AND 15.00 MAXIMUM |
| Shaft Diameter | 0.1243 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM SINGLE SHAFT IN |
| Length | 0.0700 INCHES MINIMUM AND 0.0760 INCHES MAXIMUM SHOULDER IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND, ROTATABLE HOUSING |
| Flange Thickness | 0.0700 INCHES MINIMUM AND 0.0750 INCHES MAXIMUM IN |
| Rotor Input Electrical Power Rating | 700.0 MILLIWATTS NOMINAL |
| Zro Impedance Angle in Deg | 77.50 MINIMUM AND 80.50 MAXIMUM |
| Phase Shift Angle in Deg | 7.000 INPUT TO OUTPUT MINIMUM AND 10.000 INPUT TO OUTPUT MAXIMUM |
| Mounting Surface to Terminal End Distance | 1.0380 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft Length | 0.3640 INCHES MINIMUM AND 0.3880 INCHES MAXIMUM SINGLE SHAFT IN |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 20.00 OUTPUT |
| Shoulder Diameter | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Shaft Slot Width | 0.0150 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM SINGLE SHAFT IN |
| Transformation Ratio | 0.454 ROTOR TO STATOR NOMINAL |
| Electrical Error Angular Range in Minutes | -7.0 TO 7.0 |
| Actuator Friction Torque at Plus 25 Deg Celsius | 0.04 INCH-OUNCES MAXIMUM IN |
| Rotor Input Current Rating | 153.0 MILLIAMPERES NOMINAL |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Maximum Temp Rise | 20.0 CELSIUS DEGC |
| Shaft Slot Depth | 0.0250 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM SINGLE SHAFT 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 |
|---|---|
| 11CX310G21E PRIMARY | American Precision Industries, Inc Div Portescap Us (USA) |
| Reference | Meaning |
|---|---|
| 75002016201 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5990-00-485-7600 is a Synchro,transmitter, manufactured by American Precision Industries, Inc Div Portescap Us, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-485-7600 has 1 manufacturer part number on file: 11CX310G21E (American Precision Industries, Inc Div Portescap Us).
Key specifications for 11CX310G21E: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Body Diameter: 0.7530 INCHES MAXIMUM IN; Flange Diameter: 1.0600 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM 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 5990-00-485-7600 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.