The Switch,flow, cataloged under National Stock Number 5930-01-252-3979, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-252-3979 |
| Item Name | Switch,flow |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | PRINTED CIRCUIT |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Contact Load Current Rating | 400.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BRACKET(S) AND THREADED HOLE(S) |
| Style Designator | CYLINDRICAL |
| Nominal Thread Size | 0.138 INCHES SINGLE THREADED HOLE IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Precious Material and Location | TERMINAL SURFACES GOLD |
| Media for Which Designed | GAS |
| Thread Class | 2B SINGLE THREADED HOLE |
| Thread Quantity Per Inch | 32 SINGLE THREADED HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE THREADED HOLE |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 12.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Hazardous Locations/environmental Protection | 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 |
| Reference | Meaning |
|---|---|
| 2SE1-103C12G | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-252-3979 is a Switch,flow, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-01-252-3979: Contact Action Stimulus: INCREASE; Terminal Type: PRINTED CIRCUIT; Overall Diameter: 0.500 INCHES NOMINAL IN; Precious Material: GOLD. 17 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.