The Switch,rotary, cataloged under National Stock Number 5930-01-316-8993, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Communication Division. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5930-01-316-8993 |
| Primary Part Number | 2770G-4 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Communication Division |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | PRINTED CIRCUIT |
| First Flat Length | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Precious Material | SILVER |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AND 250.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY |
| Thread Length | 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 2 EACH SECTION PERIPHERY |
| Style Designator | WAFER, PRINTED BOARD, BUSHING MOUNT |
| Individual Section Quantity | 2 |
| Nonturn Device Type | SLOTTED BUSHING AT 3:00 OCLOCK |
| Features Provided | RFI SHIELDING |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.355 INCHES MINIMUM AND 0.395 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION PERIPHERY |
| 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 | SHAFT SURFACES SILVER |
| Operating Temp Range | -65.0 TO 85.0 CELSIUS DEGC |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 30.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 2 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| 2770G-4 PRIMARY | Lockheed Martin Sippican, Inc. Div Communication Division (USA) |
| Reference | Meaning |
|---|---|
| 71MY233434 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-316-8993 is a Switch,rotary, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-316-8993 has 1 manufacturer part number on file: 2770G-4 (Lockheed Martin Sippican, Inc. Div Communication Division).
Key specifications for 2770G-4: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 0.855 INCHES NOMINAL IN; Shaft Diameter: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 27 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.