The Switch,rotary, cataloged under National Stock Number 5930-00-548-4958, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-548-4958 |
| Primary Part Number | 28-5541P1 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Shaft Type | RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| Overall Diameter | 2.812 INCHES MAXIMUM IN |
| Mounting Facility Circle Radius | 1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Thread Length | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Individual Section Quantity | 16 |
| Square Shaft Size | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Nominal Thread Size | 0.190 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.531 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 125.0 DC AT SEA LEVEL |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 8 SINGLE ACTUATOR |
| Thread Series Designator | UNF 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 |
|---|---|
| S28-5541ISSUE3P1 | Raytheon Company (USA) |
| S28-5541ISSUE3P1 | Raytheon Company Dba Raytheon Co (USA) |
| 28-5541P1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 28-5541P1 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 28-5541P1 | 5/9 Secondary reference Raytheon Company Div Corp |
| S28-5541ISSUE3P1 | 5/9 Secondary reference Raytheon Company Div Corp |
| TYPE JR | 5/1 Secondary reference U.S. Government activity |
NSN 5930-00-548-4958 is a Switch,rotary, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-548-4958 has 4 manufacturer part numbers on file: S28-5541ISSUE3P1 (Raytheon Company), S28-5541ISSUE3P1 (Raytheon Company Dba Raytheon Co), 28-5541P1 (Raytheon Company Dba Raytheon Co), 28-5541P1 (Raytheon Company).
2 possible matches (shared part number, not a government interchangeability claim): 5930-00-642-9101, 5930-00-848-0584. Verify interchangeability with system specifications before substitution.
Key specifications for 28-5541P1: Shaft Type: RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR; Switch Contact Basic Design: NONPILE-UP NONSYMMETRICAL; Terminal Type: TAB, SOLDER LUG; Mounting Facility Pattern: FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY. 22 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.