The Switch,code Indicating Wheel, cataloged under National Stock Number 5930-01-282-3127, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Instrument Systems Corp. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-282-3127 |
| Primary Part Number | S235A157-1 |
| Item Name | Switch,code Indicating Wheel |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Instrument Systems Corp |
| Status | ACTIVE |
| Actuator Type | THUMBWHEEL ALL ACTUATORS |
| Terminal Type | WIRE LEAD |
| 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 | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Contact Arrangement Truth Table | BCD AND DECIMAL, 2 POLE - 10 POSITIONS EACH SECTION |
| Style Designator | RECTANGULAR INLINE INDICATING |
| Longest Vertical Distance Between Mounting Centers | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Individual Section Quantity | 6 |
| Readout Indicator Marking | 0,1,2,3,4,5,6,7,8,9 EACH SECTION |
| Contact Voltage Rating in Volts | 115.0 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 | CIRCUIT DISC CIRCUIT SURFACES GOLD |
| Operating Temp Range | -65.0 TO 85.0 CELSIUS DEGC |
| Switch Actuator Indexing Position Quantity | 10 SINGLE ACTUATOR |
| Longest Horizontal Distance Between Mounting Centers | 3.830 INCHES MINIMUM AND 3.850 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Hazardous Locations/environmental Protection | FUNGUS RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| 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 |
|---|---|
| S235A157-1 PRIMARY | Instrument Systems Corp (USA) |
| 02-I-0038 | Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch (USA) |
| Reference | Meaning |
|---|---|
| 2I38 | 5/9 Secondary reference Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch |
NSN 5930-01-282-3127 is a Switch,code Indicating Wheel, manufactured by Instrument Systems Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-282-3127 has 2 manufacturer part numbers on file: S235A157-1 (Instrument Systems Corp), 02-I-0038 (Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch).
Key specifications for S235A157-1: Overall Height: 1.405 INCHES MAXIMUM IN; Actuator Type: THUMBWHEEL ALL ACTUATORS; Terminal Type: WIRE LEAD; Mounting Facility Pattern: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY. 23 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.