The Switch,code Indicating Wheel, cataloged under National Stock Number 5930-01-084-2552, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Support Services Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-084-2552 |
| Primary Part Number | 138C810H01 |
| Item Name | Switch,code Indicating Wheel |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Actuator Type | PUSH BUTTON SINGLE ACTUATOR |
| Terminal Type | PRINTED CIRCUIT |
| Mounting Facility Pattern | TWO POSITION IN-LINE 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 | THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Criticality Code Justification | FEAT |
| Contact Arrangement Truth Table | DECIMAL, 1 POLE - 8 POSITIONS SINGLE SECTION |
| Style Designator | RECTANGULAR INDICATING |
| Individual Section Quantity | 1 |
| Distance Between Mounting Facility Centers | 1.040 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Nominal Thread Size | 0.086 INCHES SINGLE MOUNTING FACILITY IN |
| Readout Indicator Marking | 1,2,3,-,1,2,3 SINGLE SECTION |
| Contact Voltage Rating in Volts | 28.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Color | RED SINGLE LAMP |
| Precious Material and Location | PRINTED CIRCUIT BOARD SURFACES GOLD |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Thread Quantity Per Inch | 56 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 8 SINGLE ACTUATOR |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 138C810H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| 12-W-0005 | Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch (USA) |
| Reference | Meaning |
|---|---|
| 12-W-5 | 5/9 Secondary reference Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch |
| 138C810H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-01-084-2552 is a Switch,code Indicating Wheel, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-084-2552 has 2 manufacturer part numbers on file: 138C810H01 (Northrop Grumman Support Services Corp), 12-W-0005 (Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch).
Key specifications for 138C810H01: Overall Height: 1.720 INCHES MAXIMUM IN; Actuator Type: PUSH BUTTON SINGLE ACTUATOR; Terminal Type: PRINTED CIRCUIT; Mounting Facility Pattern: TWO POSITION IN-LINE 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.