The Switch,flow, cataloged under National Stock Number 5930-01-579-0144, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kobold Instruments Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-579-0144 |
| Primary Part Number | KAL 4320 |
| Item Name | Switch,flow |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Kobold Instruments Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Contact Load Current Rating | 300.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Style Designator | CYLINDRICAL |
| Body Length | 2.000 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | LIQUID |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 24.0 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 |
|---|---|
| KAL 4320 PRIMARY | Kobold Instruments Inc (USA) |
NSN 5930-01-579-0144 is a Switch,flow, manufactured by Kobold Instruments Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-579-0144 has 1 manufacturer part number on file: KAL 4320 (Kobold Instruments Inc).
Key specifications for KAL 4320: Contact Action Stimulus: INCREASE; Overall Diameter: 0.750 INCHES NOMINAL IN; Contact Load Current Rating: 300.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE; Style Designator: CYLINDRICAL. 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.