The Switch,knife, cataloged under National Stock Number 5930-00-644-2729, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5930-00-644-2729 |
| Primary Part Number | K77410 |
| Item Name | Switch,knife |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Terminal Type and Quantity | 4 THREADED STUD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K77410 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| K77410 | 3/9 Design control — primary reference Westinghouse Electric Corp Control Business Unit |
NSN 5930-00-644-2729 is a Switch,knife, manufactured by Westinghouse Electric Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-644-2729 has 1 manufacturer part number on file: K77410 (Westinghouse Electric Corp).
Key specifications for K77410: Special Features: WITH 90 DEG STOPS AND SPECIAL CROSSBAR HANDLE; Terminal Type and Quantity: 4 THREADED STUD. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.