The Switch,code Indicating Wheel, cataloged under National Stock Number 5930-01-024-7885, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-024-7885 |
| Primary Part Number | 8-R-178 |
| Item Name | Switch,code Indicating Wheel |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch |
| Status | ACTIVE |
| Actuator Type | THUMBWHEEL ALL ACTUATORS |
| Terminal Type | PRINTED CIRCUIT |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY |
| Precious Material | GOLD |
| Contact Load Current Rating | 125.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Contact Arrangement Truth Table | BCD, 1 POLE - 10 POSITIONS EACH SECTION |
| Style Designator | RECTANGULAR INLINE INDICATING |
| Longest Vertical Distance Between Mounting Centers | 0.900 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Individual Section Quantity | 2 |
| Readout Indicator Marking | 0,1,2,3,4,5,6,7,8,9 EACH SECTION |
| Contact Voltage Rating in Volts | 28.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Color | WHITE EACH INDICATOR MARKING |
| Color | BLACK EACH INDICATOR BACKGROUND |
| Color | BLACK EACH BODY |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Switch Actuator Indexing Position Quantity | 10 ALL ACTUATORS |
| Longest Horizontal Distance Between Mounting Centers | 1.596 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| 8-R-178 | Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch (USA) |
| 08-R-0178 | Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch (USA) |
| Reference | Meaning |
|---|---|
| 127720-007 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-024-7885 is a Switch,code Indicating Wheel, manufactured by Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-024-7885 has 2 manufacturer part numbers on file: 8-R-178 (Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch), 08-R-0178 (Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch).
Key specifications for 8-R-178: Overall Height: 1.885 INCHES NOMINAL IN; Actuator Type: THUMBWHEEL ALL ACTUATORS; Terminal Type: PRINTED CIRCUIT; Mounting Facility Pattern: FOUR POSITION RECTANGULAR 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.