The Switch,rotary, cataloged under National Stock Number 5930-01-307-9749, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lexington Switch and Control Div of Electroswitch. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-307-9749 |
| Primary Part Number | KW-125-503-MN-PR |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lexington Switch and Control Div of Electroswitch |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | SCREW |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY |
| Precious Material | SILVER |
| Contact Load Current Rating | 125.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.220 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Style Designator | IN-LINE, CAM ACTUATED |
| Longest Vertical Distance Between Mounting Centers | 2.680 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Individual Section Quantity | 4 |
| Features Provided | ACTUATOR KNOB AND LEGEND PLATE AND CAM ACTUATED |
| Contact Voltage Rating in Volts | 600.0 AC AT SEA LEVEL |
| Precious Material and Location | CONTACTS SILVER |
| Cam Actuated Switch Contact Arrangement | 1 POLE, SINGLE THROW, DOUBLE MAKE, BOTH POSITIONS MAINTAINED EACH SWITCH EACH SECTION IN-LINE |
| Switch Actuator Indexing Position Quantity | 2 SINGLE ACTUATOR |
| Longest Horizontal Distance Between Mounting Centers | 2.680 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| KW-125-503-MN-PR PRIMARY | Lexington Switch and Control Div of Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 237B8254 | 5/1 Secondary reference General Electric Company Dba Ge |
NSN 5930-01-307-9749 is a Switch,rotary, manufactured by Lexington Switch and Control Div of Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-307-9749 has 1 manufacturer part number on file: KW-125-503-MN-PR (Lexington Switch and Control Div of Electroswitch).
4 possible matches (shared part number, not a government interchangeability claim): 5930-01-308-4046, 5930-01-308-4047, 5930-01-308-5083. Verify interchangeability with system specifications before substitution.
Key specifications for KW-125-503-MN-PR: Overall Height: 4.610 INCHES NOMINAL IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: SCREW; Mounting Facility Pattern: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY. 16 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.