The Switch,flow, cataloged under National Stock Number 5930-01-255-1870, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Custom Control Sensors, Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-01-255-1870 |
| Primary Part Number | 250F137-1 |
| Item Name | Switch,flow |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Custom Control Sensors, Llc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 10.0 MILLIAMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | INLET CONNECTION AND OUTLET CONNECTION |
| Style Designator | CYLINDRICAL W/MOUNTING LUGS |
| Features Provided | HERMETICALLY SEALED CASE |
| Operating Temp Rating | 0.0 CELSIUS MINIMUM AND 65.0 CELSIUS MAXIMUM DEGC |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 0.80 ACTUATION POINT NOMINAL GALLONS PER MINUTE AND 0.70 DEACTUATION POINT NOMINAL 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 SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 6.0 DC AT SEA LEVEL FIRST VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 250F137-1 | Custom Control Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 158F44-1 | 3/2 Design control — primary reference U.S. Government activity |
| 5204686-1 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5930-01-255-1870 is a Switch,flow, manufactured by Custom Control Sensors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-255-1870 has 1 manufacturer part number on file: 250F137-1 (Custom Control Sensors, Llc).
Key specifications for 250F137-1: Overall Height: 3.330 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: TWO POSITION IN-LINE. 14 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.
NSN 5930-01-255-1870 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.