The Transolver,electrical, cataloged under National Stock Number 5990-01-247-8277, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5990-01-247-8277 |
| Primary Part Number | L478C2013 |
| Item Name | Transolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Body Size | 10 |
| Shaft Type | SPLINE W/THREADS SINGLE SHAFT |
| Flange Diameter | 1.0510 INCHES NOMINAL IN |
| Undercut Width | 0.0940 INCHES NOMINAL IN |
| Shaft Diameter | 0.1872 INCHES NOMINAL SINGLE SHAFT IN |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND B |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Spline Tooth Quantity | 21 SINGLE SHAFT |
| Shaft Thread Length | 0.3200 INCHES NOMINAL SINGLE SHAFT IN |
| Phase Shift Angle in Deg | 3.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 2.5000 INCHES MAXIMUM IN |
| Frequency in Hertz | 2000.0 NOMINAL |
| Terminal Location | SIDE |
| Shaft Length | 0.3650 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 0.6250 INCHES NOMINAL IN |
| Spline Tooth Diametral Pitch | 120 SINGLE SHAFT |
| Shoulder Diameter | 1.0000 INCHES NOMINAL IN |
| Shaft Nominal Thread Size | 0.190 INCHES SINGLE SHAFT IN |
| Stator Input Voltage Rating in Volts | 10.0 NOMINAL |
| Shaft Thread Direction | RIGHT-HAND SINGLE SHAFT |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Shaft Thread Series Designator | UNF SINGLE SHAFT |
| Material | STEEL CORROSION RESISTING BODY |
| Terminal Type and Quantity | 2 CONNECTOR, PLUG |
| Shaft Thread Class | 2A SINGLE SHAFT A |
| 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 |
|---|---|
| L478C2013 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| 32C-Y13B | Mpc Products Corporation Dba Woodward Mpc, Inc. (USA) |
| Reference | Meaning |
|---|---|
| Y13B | 5/9 Secondary reference Mpc Products Corporation Dba Woodward Mpc, Inc. |
| Y13-A | 5/9 Secondary reference Mpc Products Corporation Dba Woodward Mpc, Inc. |
NSN 5990-01-247-8277 is a Transolver,electrical, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-247-8277 has 2 manufacturer part numbers on file: L478C2013 (The Boeing Company Div Legacy Am&m), 32C-Y13B (Mpc Products Corporation Dba Woodward Mpc, Inc.).
Key specifications for L478C2013: Body Size: 10; Shaft Type: SPLINE W/THREADS SINGLE SHAFT; Flange Diameter: 1.0510 INCHES NOMINAL IN; Undercut Width: 0.0940 INCHES NOMINAL IN. 27 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 5990-01-247-8277 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.