The Switch,pressure, cataloged under National Stock Number 5930-01-256-9576, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-256-9576 |
| Primary Part Number | R901134771 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | TWO POSITION DIAGONAL |
| 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 THIRD VOLTAGE |
| Mounting Method | UNTHREADED HOLE(S) |
| Contact Adjustment Range | +90.00 TO 940.00 ACTUATION POINT POUNDS PER SQUARE INCH AND +60.00 TO 900.00 DEACTUATION POINT POUNDS PER SQUARE INCH |
| Body Height | 3.540 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.430 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 2.910 INCHES NOMINAL IN |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| Features Provided | LOCKING DEVICE |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Operating Temp Rating | -4.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 250.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 25.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 380.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 3.540 INCHES NOMINAL IN |
| 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 |
|---|---|
| R901134771 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| HED3OA3X/63Z6Q/5 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 5930-01-256-9576 is a Switch,pressure, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-256-9576 has 1 manufacturer part number on file: R901134771 (Bosch Rexroth Corporation Div Industrial Hydraulics).
Key specifications for R901134771: Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: TWO POSITION DIAGONAL; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE. 23 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.