The Switch,rotary, cataloged under National Stock Number 5930-00-258-4801, 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 18 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-258-4801 |
| Primary Part Number | 37J977PC3B |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | BASE SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 SINGLE SECTION FRONT |
| Individual Section Quantity | 1 |
| Knob Manufacturer Code | 89946 |
| Features Provided | ACTUATOR KNOB |
| Knob Manufacturer Part Number | S1032935 |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION FRONT |
| Contact Voltage Rating in Volts | 600.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 600.0 AC AT SEA LEVEL |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Longest Horizontal Distance Between Mounting Centers | 1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Throw Quantity | 2 SINGLE SECTION FRONT |
| 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 |
|---|---|
| 37J977PC3B | Westinghouse Electric Corp (USA) |
| S1315056 | Westinghouse Electric Corp (USA) |
| 45J462PC5A | Westinghouse Electric Corp (USA) |
| 45J128PC6A | Westinghouse Electric Corp (USA) |
| 37J976PC3B | Westinghouse Electric Corp (USA) |
| 47J312PC5A | Westinghouse Electric Corp (USA) |
| 47J313PC5A | Westinghouse Electric Corp (USA) |
| 38J884PC1B | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| S1315056 | 3/2 Design control — primary reference U.S. Government activity |
| 38J884PC1B | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 47J313PC5A | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 45J462PC5A | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 47J312PC5A | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 37J976PC3B | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 45J128PC6A | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 37J977PC3B | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 5930-00-258-4801 is a Switch,rotary, manufactured by Westinghouse Electric Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-258-4801 has 8 manufacturer part numbers on file: 37J977PC3B (Westinghouse Electric Corp), S1315056 (Westinghouse Electric Corp), 45J462PC5A (Westinghouse Electric Corp), 45J128PC6A (Westinghouse Electric Corp), 37J976PC3B (Westinghouse Electric Corp) and 3 more.
Key specifications for 37J977PC3B: Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB W/SCREW; Mounting Facility Pattern: TWO POSITION IN-LINE SINGLE MOUNTING FACILITY; Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL. 18 specifications are 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.