The Synchro,receiver, cataloged under National Stock Number 5990-00-965-7732, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5990-00-965-7732 |
| Primary Part Number | 8TR101A5 |
| Item Name | Synchro,receiver |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | American Precision Industries, Inc Div Portescap Us |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED BOTH SHAFTS |
| Flange Diameter | 0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Undercut Width | 0.0590 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM IN |
| Shaft Diameter | 0.0750 INCHES NOMINAL BOTH SHAFTS IN |
| Undercut Diameter | 0.6830 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND A |
| Flange Thickness | 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN |
| Rotor Input Electrical Power Rating | 1.0 WATTS NOMINAL |
| Phase Shift Angle in Deg | 8.000 INPUT TO OUTPUT MINIMUM AND 11.000 INPUT TO OUTPUT MAXIMUM |
| Mounting Surface to Terminal End Distance | 1.5620 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 44.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 37.00 NOMINAL |
| Zrs Resistance in Ohms | 34.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft Length | 0.2500 INCHES NOMINAL REAR SHAFT IN |
| Shaft Length | 0.3120 INCHES NOMINAL FRONT SHAFT IN |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Shaft Slot Width | 0.0170 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 167.00 NOMINAL |
| Pilot Length | 0.0370 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM IN |
| Zso Resistance in Ohms | 16.00 NOMINAL |
| Rotor Input Current Rating | 150.0 MILLIAMPERES NOMINAL |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Shaft Slot Depth | 0.0170 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM SINGLE SHAFT IN |
| Plus J Zrs Reactance in Ohms | 10.00 NOMINAL |
| 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 |
|---|---|
| 8TR101A5 PRIMARY | American Precision Industries, Inc Div Portescap Us (USA) |
| W1650C1-26-1 | L3harris Interstate Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 189151-000 | 5/2 Secondary reference U.S. Government activity |
NSN 5990-00-965-7732 is a Synchro,receiver, manufactured by American Precision Industries, Inc Div Portescap Us, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-965-7732 has 2 manufacturer part numbers on file: 8TR101A5 (American Precision Industries, Inc Div Portescap Us), W1650C1-26-1 (L3harris Interstate Electronics Corporation).
Key specifications for 8TR101A5: Body Size: 8; Shaft Type: ROUND, SLOTTED BOTH SHAFTS; Flange Diameter: 0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; Undercut Width: 0.0590 INCHES MINIMUM AND 0.6500 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.
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.