The Switch,flow, cataloged under National Stock Number 5930-00-355-4589, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-355-4589 |
| Primary Part Number | GS535AA1 |
| Item Name | Switch,flow |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Contact Load Current Rating | 3.7 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 150.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Adjustment Range | +4.40 TO 10.50 ACTUATION POINT GALLONS PER MINUTE |
| Features Provided | ELECTRICAL ACCESS PORT |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 230.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 230.0 DC AT SEA LEVEL SECOND 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 |
|---|---|
| FS4-3T1-3-4 | Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div (USA) |
| FS4-3T1-3-4IN | Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div (USA) |
| GS535AA1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5930-00-355-4589 is a Switch,flow, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-355-4589 has 3 manufacturer part numbers on file: FS4-3T1-3-4 (Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div), FS4-3T1-3-4IN (Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div), GS535AA1 (Northrop Grumman Systems Corporation).
Key specifications for GS535AA1: Overall Height: 6.875 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Contact Load Current Rating: 3.7 AMPERES RESISTIVE LOAD FIRST VOLTAGE; Contact Load Current Rating: 150.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE. 10 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.