The Switch,rotary, cataloged under National Stock Number 5930-01-051-8955, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-051-8955 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 2.498 INCHES MINIMUM AND 2.502 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Overall Diameter | 1.900 INCHES NOMINAL IN |
| First Flat Length | 0.467 INCHES NOMINAL SINGLE ACTUATOR IN |
| Rotor Through Connection Quantity | 5 EACH SECTION |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD AND 2.5 AMPERES INDUCTIVE LOAD DC AT SEA LEVEL |
| Pole Quantity | 5 EACH SECTION FRONT |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Individual Section Quantity | 5 |
| Nonturn Device Type | KEY AT 6:00 OCLOCK |
| Contact Switching Action | MAKES BEFORE BREAKS, BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Cam Actuated Switch Contact Arrangement | 5 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED EACH SWITCH EACH SECTION FRONT |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 4 SINGLE ACTUATOR |
| Throw Quantity | 5 EACH SECTION FRONT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 200-1987 | 5/1 Secondary reference Cole Instrument Corp. Dba Cole Instruments |
| 79-1904-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-051-8955 is a Switch,rotary, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2540-01-589-6114. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-01-051-8955: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Shaft Diameter: 2.498 INCHES MINIMUM AND 2.502 INCHES MAXIMUM SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: CONNECTOR, RECEPTACLE. 20 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.
NSN 5930-01-051-8955 has DEMIL Code B. 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.