The Switchboard,power, cataloged under National Stock Number 6110-00-635-1990, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6110-00-635-1990 |
| Primary Part Number | 45J643 |
| Item Name | Switchboard,power |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Output Voltage Rating | 450.0 AC VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Phase | THREE LOCATION NOT OTHERWISE SPECIFIED |
| Output Frequency Rating | 60 HERTZ LOCATION NOT OTHERWISE SPECIFIED |
| Electrical Output Quantity | 5 |
| Mounting Method | BULKHEAD |
| Panel Material | STEEL |
| Input Voltage Rating | 450.0 AC VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Document Title | LISTED IN BUSHIPS DWG NO. DD809-S6201-282625 |
| Panel Quantity | 2 |
| Electrical Input Quantity | 1 |
| Shock Absorbent Rating | NAVY HI |
| Surface Treatment | LACQUER |
| Input Phase | THREE LOCATION NOT OTHERWISE SPECIFIED |
| Enclosure Feature | DRIPPROOF |
| Input Frequency in Hertz | 60.0 LOCATION NOT OTHERWISE SPECIFIED |
| Usage Design | USED AS STEERING POWER TRANSFER SWITCHBOARD |
| 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 |
|---|---|
| 45J643 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 45J643 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 6110-00-635-1990 is a Switchboard,power, manufactured by Westinghouse Electric Corp, classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-00-635-1990 has 1 manufacturer part number on file: 45J643 (Westinghouse Electric Corp).
Key specifications for 45J643: Overall Height: 54.000 INCHES NOMINAL IN; Output Voltage Rating: 450.0 AC VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Phase: THREE LOCATION NOT OTHERWISE SPECIFIED; Output Frequency Rating: 60 HERTZ LOCATION NOT OTHERWISE SPECIFIED. 16 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.