The Synchro,control Transformer, cataloged under National Stock Number 5990-00-856-9208, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-856-9208 |
| Primary Part Number | 8IP300C1 |
| Item Name | Synchro,control Transformer |
| 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 |
| Flange Diameter | 0.7500 INCHES NOMINAL IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0900 INCHES NOMINAL SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 39.00 NOMINAL |
| Undercut Diameter | 0.6910 INCHES NOMINAL IN |
| Body Style | STANDARD ROUND A |
| Shaft Radial Play Determining Weight | 4.0 OUNCES OZ |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Shaft Maximum Runout | 0.0010 INCHES IN |
| Stator Input Current Rating | 18.0 MILLIAMPERES MAXIMUM |
| Phase Shift Angle in Deg | 11.500 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 2.2410 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 49.00 NOMINAL |
| Stator Input Electrical Power Rating | 8.1 MILLIWATTS MAXIMUM |
| Plus J Zso Reactance in Ohms | 450.00 NOMINAL |
| Terminal Location | REAR |
| Shaft End Play Determining Weight | 8.0 OUNCES OZ |
| Shaft Maximum Radial Play | 0.0010 INCHES IN |
| Shaft Length | 0.3750 INCHES NOMINAL SINGLE SHAFT IN |
| Specification/standard Data | 12464-B81A0013 MANUFACTURERS SPECIFICATION CONTROL |
| Pilot Diameter | 0.5000 INCHES NOMINAL IN |
| Stator Input Voltage Rating in Volts | 26.0 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Shaft Slot Width | 0.0200 INCHES NOMINAL SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 235.00 NOMINAL |
| Pilot Length | 0.0400 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8IP300C1 PRIMARY | American Precision Industries, Inc Div Portescap Us (USA) |
| Reference | Meaning |
|---|---|
| LTH-8-A-8 | 5/2 Secondary reference U.S. Government activity |
| B81A0013-1 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
NSN 5990-00-856-9208 is a Synchro,control Transformer, manufactured by American Precision Industries, Inc Div Portescap Us, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-856-9208 has 1 manufacturer part number on file: 8IP300C1 (American Precision Industries, Inc Div Portescap Us).
Key specifications for 8IP300C1: 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 5990-00-856-9208 has DEMIL Code B. 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.