The Switch,code Indicating Wheel, cataloged under National Stock Number 5930-01-157-5979, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-157-5979 |
| Primary Part Number | 9999-6009-001 |
| Item Name | Switch,code Indicating Wheel |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Terminal Type | TURRET |
| Precious Material | GOLD |
| Contact Load Current Rating | 125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Style Designator | RECTANGULAR INLINE INDICATING |
| Individual Section Quantity | 1 |
| Readout Indicator Marking | HIGH,LOW,FSK 1,FSK 2,FSK 3,FSK 4,FSK 5,FSK 6,FSK 7,FSK 8,FSK 9,FSK 10 SINGLE SECTION |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Precious Material and Location | CIRCUIT SURFACES GOLD |
| Switch Actuator Indexing Position Quantity | 12 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 |
|---|---|
| 9999-6009-001 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| Reference | Meaning |
|---|---|
| 7-E-173 | 5/9 Secondary reference Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch |
NSN 5930-01-157-5979 is a Switch,code Indicating Wheel, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-157-5979 has 1 manufacturer part number on file: 9999-6009-001 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
Key specifications for 9999-6009-001: Overall Height: 2.135 INCHES NOMINAL IN; Terminal Type: TURRET; Precious Material: GOLD; Contact Load Current Rating: 125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL. 9 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.