The Motor,alternating Current, cataloged under National Stock Number 6105-01-021-7151, is classified within Federal Supply Class 6105 (Motors, Electrical) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6105-01-021-7151 |
| Primary Part Number | 5KR254NS399H |
| Item Name | Motor,alternating Current |
| FSC / FSG | 6105 / 61 — Motors, Electrical |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Keyway Depth | 0.1563 INCHES NOMINAL SINGLE END IN |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Duty Cycle | CONTINUOUS |
| Phase | THREE INPUT |
| Shaft Diameter | 1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM SINGLE END IN |
| Frequency in Hertz | 60.0 INPUT |
| Shaft Center to Mounting Surface Distance | 6.250 INCHES SINGLE END IN |
| Winding Type | INDUCTION-SQUIRREL CAGE |
| Mounting Method | FIXED BASE |
| Frame Size Designation | 254UN |
| Cooling Method | NATURAL CONVECTION VENTILATED |
| Shaft Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE SINGLE END |
| Features Provided | VERTICAL MOUNTING POSITION |
| Connection Type and Voltage Rating in Volts | 440.0 LINE TO NEUTRAL SINGLE INPUT |
| Keyway Length | 2.7500 INCHES NOMINAL SINGLE END IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Length | 8.250 INCHES IN |
| Keyway Width | 0.3125 INCHES NOMINAL SINGLE END IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 10.000 INCHES IN |
| Length of Shaft From Housing | 3.938 INCHES SINGLE END IN |
| Current Rating in Amps | 8.000 SINGLE INPUT |
| Enclosure Feature | DRIPPROOF PROTECTED-15 DEG |
| Current Rating Method | LOAD |
| Power Rating | 5.0000 HORSEPOWER OUTPUT |
| Shaft End Characteristic | A9 SINGLE STYLE SINGLE END |
| Rotor Speed Rating in RPM | 1200.0 SINGLE NO LOAD AND 1110.0 SINGLE FULL LOAD |
| Temp Rating | 50.0 OPERATING CELSIUS |
| Inclosure Specification | NEMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 5KR254NS399H | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 5KR254NK312 | 5/9 Secondary reference Ward Leonard Ct Llc |
| 5KR254NK312 | 3/9 Design control — primary reference General Electric Co Motor Business Group |
NSN 6105-01-021-7151 is a Motor,alternating Current, manufactured by Ward Leonard Ct Llc, classified under FSC 6105, Motors, Electrical. Status: active.
NSN 6105-01-021-7151 has 1 manufacturer part number on file: 5KR254NS399H (Ward Leonard Ct Llc).
Key specifications for 5KR254NS399H: Keyway Depth: 0.1563 INCHES NOMINAL SINGLE END IN; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Duty Cycle: CONTINUOUS; Phase: THREE INPUT. 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.
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.