The Synchro,transmitter, cataloged under National Stock Number 5990-01-032-7904, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-032-7904 |
| Primary Part Number | 050926 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Body Size | 11 |
| Shaft Type | ROUND SINGLE SHAFT |
| Flange Diameter | 1.0650 INCHES NOMINAL IN |
| Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shaft Diameter | 0.1200 INCHES NOMINAL SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 160.00 NOMINAL |
| Undercut Diameter | 0.9750 INCHES NOMINAL IN |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Rotor Input Electrical Power Rating | 895.0 MILLIWATTS NOMINAL |
| Phase Shift Angle in Deg | 4.500 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.7780 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 2060.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 79.50 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 115.0 NOMINAL |
| Shaft Length | 0.3570 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | ALUMINUM |
| Pilot Diameter | 0.6250 INCHES NOMINAL IN |
| Shoulder Diameter | 1.0000 INCHES NOMINAL IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 0.026 |
| Plus J Zro Reactance in Ohms | 80.00 NOMINAL |
| Transformation Ratio | 0.104 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Zso Resistance in Ohms | 18.10 NOMINAL |
| Electrical Error Angular Range in Minutes | -10.0 TO 10.0 |
| Actuator Friction Torque at Plus 25 Deg Celsius | 2.00 CENTIMETER-GRAMS MAXIMUM CM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 050926 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 887C050926 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 887C050926 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| TGH-11-C-02-B896 | 5/2 Secondary reference U.S. Government activity |
NSN 5990-01-032-7904 is a Synchro,transmitter, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-032-7904 has 1 manufacturer part number on file: 050926 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-533-1562. Verify interchangeability with system specifications before substitution.
Key specifications for 050926: Body Size: 11; Shaft Type: ROUND SINGLE SHAFT; Flange Diameter: 1.0650 INCHES NOMINAL IN; Undercut Width: 0.0500 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 5990-01-032-7904 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.