The Switch,rotary, cataloged under National Stock Number 5930-00-491-4500, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cts Corp Electromechanical Div. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-491-4500 |
| Primary Part Number | 54177 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Cts Corp Electromechanical Div |
| Status | ACTIVE |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Individual Section Quantity | 2 |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 1.406 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 5 SINGLE ACTUATOR |
| 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 |
|---|---|
| 54177 PRIMARY | Cts Corp Electromechanical Div (USA) |
| Reference | Meaning |
|---|---|
| 7311-8201 | 5/9 Secondary reference Elgenco Inc |
| 54177 | 3/9 Design control — primary reference Cts Corp |
NSN 5930-00-491-4500 is a Switch,rotary, manufactured by Cts Corp Electromechanical Div, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-491-4500 has 1 manufacturer part number on file: 54177 (Cts Corp Electromechanical Div).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-081-7792. Verify interchangeability with system specifications before substitution.
Key specifications for 54177: Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB, SOLDER LUG; Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY. 11 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.