The Switch,rotary, cataloged under National Stock Number 5930-00-669-7490, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 19 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-669-7490 |
| Primary Part Number | 3SR2E2 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.312 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Mounting Facility Circle Radius | 1.609 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Contact Load Current Rating | 25.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | BASE SINGLE MOUNTING FACILITY |
| Individual Section Quantity | 4 |
| Features Provided | ACTUATOR KNOB |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.875 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 500.0 AC AT SEA LEVEL |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 20 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 4 SINGLE ACTUATOR |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 3SR2E2 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 385-6201-1194307ALT2PC21M0DIFIED | 3/2 Design control — primary reference U.S. Government activity |
| 81236N | 5/9 Secondary reference Cooper Industries Inc Cooper Distribution Equipment Div |
| 75728-58X3PC11 | 5/2 Secondary reference U.S. Government activity |
| 1194307-21 | 5/2 Secondary reference U.S. Government activity |
| 501-1437422PC27 | 5/2 Secondary reference U.S. Government activity |
| 3SR2E2 | 3/2 Design control — primary reference U.S. Government activity |
| 8572-866PC35 | 5/2 Secondary reference U.S. Government activity |
| 3SR2E2 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-00-669-7490 is a Switch,rotary, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-669-7490 has 1 manufacturer part number on file: 3SR2E2 (Naval Inventory Control Point Mechanicsburg).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-007-5721, 5930-01-274-8715. Verify interchangeability with system specifications before substitution.
Key specifications for 3SR2E2: Shaft Type: ROUND SINGLE ACTUATOR; Shaft Diameter: 0.312 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB W/SCREW. 19 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.