The Switch,flow, cataloged under National Stock Number 5930-01-520-3897, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-520-3897 |
| Primary Part Number | 5974744-18 |
| Item Name | Switch,flow |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | INPUT PORT |
| Style Designator | CYLINDRICAL W/LUGS |
| Features Provided | HERMETICALLY SEALED CASE |
| Operating Temp Rating | 0.0 CELSIUS MINIMUM AND 65.0 CELSIUS MAXIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 0.42 ACTUATION POINT MAXIMUM GALLONS PER MINUTE |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| 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 |
|---|---|
| 5974744-18 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 158F86-18 | 5/2 Secondary reference U.S. Government activity |
| 5974744 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5930-01-520-3897 is a Switch,flow, manufactured by Naval Sea Systems Command, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-520-3897 has 1 manufacturer part number on file: 5974744-18 (Naval Sea Systems Command).
Key specifications for 5974744-18: Overall Height: 2.700 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Contact Load Current Rating: 500.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE. 12 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.