The Switch,rotary, cataloged under National Stock Number 5930-01-052-7286, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-052-7286 |
| Primary Part Number | 6SR4D2 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
| Status | ACTIVE |
| Shaft Type | ROUND, V FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR FIRST MOUNTING FACILITY |
| First Flat Length | 1.125 INCHES NOMINAL SINGLE ACTUATOR IN |
| Rotor Through Connection Quantity | 1 EACH SECTION |
| Contact Load Current Rating | 60.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | BRACKET(S) SECOND MOUNTING FACILITY |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.406 INCHES MINIMUM AND 0.410 INCHES MAXIMUM FIRST MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION REAR |
| Style Designator | TAP, CIRCUIT SELECTOR |
| Switch Actuator Momentary Position | COUNTERCLOCKWISE SINGLE ACTUATOR |
| Longest Vertical Distance Between Mounting Centers | 3.781 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Individual Section Quantity | 4 |
| Shaft Length | 1.563 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 500.0 AC AT SEA LEVEL |
| Switch Actuator Positioning Increment | 90.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 4 SINGLE ACTUATOR |
| Longest Horizontal Distance Between Mounting Centers | 3.781 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Throw Quantity | 3 EACH SECTION FRONT |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| 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 |
|---|---|
| 6SR4D2 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| Reference | Meaning |
|---|---|
| 125304LA | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-052-7286 is a Switch,rotary, manufactured by L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-052-7286 has 1 manufacturer part number on file: 6SR4D2 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation).
Key specifications for 6SR4D2: Shaft Type: ROUND, V FLATTED SINGLE ACTUATOR; Overall Height: 4.750 INCHES NOMINAL IN; Shaft Diameter: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 25 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.