The Switch,pressure, cataloged under National Stock Number 5930-01-198-1552, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. Government technical data includes 28 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 | 5930-01-198-1552 |
| Primary Part Number | HED20A20/400 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION DIAGONAL |
| Proof Pressure | 5600.00 POUNDS PER SQUARE INCH LBS |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 0.1 AMPERES RESISTIVE LOAD FOURTH VOLTAGE |
| Contact Load Current Rating | 0.2 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Mounting Method | UNTHREADED HOLE(S) |
| Contact Adjustment Range | +280.00 TO 5600.00 ACTUATION POINT POUNDS PER SQUARE INCH AND +370.00 TO 5600.00 DEACTUATION POINT POUNDS PER SQUARE INCH |
| Body Height | 4.920 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.280 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 2.910 INCHES NOMINAL IN |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT KNOB |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | GASKET SEAL, THREADED INTERNAL SINGLE CONNECTION |
| Inside Diameter | 0.250 INCHES NOMINAL SINGLE CONNECTION IN |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 280.00 ACTUATION POINT MINIMUM POUNDS PER SQUARE INCH AND 5600.00 ACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH AND 370.00 DEACTUATION POINT MINIMUM POUNDS PER SQUARE INCH AND 5600.00 DEACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH |
| Thread Quantity Per Inch | 18 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE, PRESET AND DEACTUATION POINT ADJUSTABLE, PRESET |
| Contact Voltage Rating in Volts | 250.0 DC AT SEA LEVEL FOURTH VOLTAGE |
| Contact Voltage Rating in Volts | 460.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 25.0 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 |
|---|---|
| HED20A20/400 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
NSN 5930-01-198-1552 is a Switch,pressure, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-198-1552 has 1 manufacturer part number on file: HED20A20/400 (Bosch Rexroth Corporation Div Industrial Hydraulics).
Key specifications for HED20A20/400: Overall Height: 5.630 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SCREW; Mounting Facility Pattern: TWO POSITION DIAGONAL. 28 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.