The Switch,rotary, cataloged under National Stock Number 5930-00-476-4949, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-476-4949 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Shaft Type | ROUND, HOLLOWED, FLATTED FIRST ACTUATOR |
| Shaft Type | ROUND, FLATTED SECOND ACTUATOR |
| Shaft Diameter | 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM SECOND ACTUATOR IN |
| Shaft Diameter | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM FIRST ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.432 INCHES NOMINAL AT 3:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 1.150 INCHES NOMINAL IN |
| First Flat Length | 0.250 INCHES NOMINAL ALL ACTUATORS IN |
| Precious Material | SILVER |
| Rotor Through Connection Quantity | 1 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 |
| Mounting Method | THREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY |
| Thread Length | 0.380 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION FRONT |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Individual Section Quantity | 3 |
| Nonturn Device Type | TAB AT 3:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.620 INCHES NOMINAL FIRST ACTUATOR IN |
| Shaft Length | 0.930 INCHES NOMINAL SECOND ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Precious Material and Location | CONTACTS SILVER |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 45.0 DEGREES ALL ACTUATORS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 49-1919 | 3/2 Design control — primary reference U.S. Government activity |
| 860715-11 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5930-00-476-4949 is a Switch,rotary, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-346-0320. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-476-4949: Shaft Type: ROUND, HOLLOWED, FLATTED FIRST ACTUATOR; Shaft Type: ROUND, FLATTED SECOND ACTUATOR; Shaft Diameter: 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM SECOND ACTUATOR IN; Shaft Diameter: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM FIRST ACTUATOR IN. 29 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.