The Switch,pressure, cataloged under National Stock Number 5930-01-351-5657, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-351-5657 |
| Primary Part Number | 2D3-1568 PIECE 8 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Frequency in Hertz | 50.0 AND 60.0 SECOND VOLTAGE |
| Frequency in Hertz | 50.0 AND 60.0 FIRST VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Proof Pressure | 7500.00 POUNDS PER SQUARE INCH GAGE LBS |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD AND 3.0 AMPERES INDUCTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 11.0 AMPERES RESISTIVE LOAD AND 11.0 AMPERES INDUCTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 11.0 AMPERES RESISTIVE LOAD AND 11.0 AMPERES INDUCTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AND 250.0 MILLIAMPERES INDUCTIVE LOAD FOURTH VOLTAGE |
| Mounting Method | UNTHREADED HOLE(S) |
| Contact Adjustment Range | +1000.00 TO 3100.00 ACTUATION POINT POUNDS PER SQUARE INCH GAGE AND +700.00 TO 2800.00 DEACTUATION POINT POUNDS PER SQUARE INCH GAGE |
| Unthreaded Mounting Hole Diameter | 0.209 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | INTERNAL ACTUATION POINT SCREW |
| Features Provided | HERMETICALLY SEALED CASE |
| Distance Between Mounting Facility Centers | 1.120 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | PLAIN, THREADED INTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF |
| Inside Diameter | 0.250 INCHES NOMINAL SINGLE CONNECTION IN |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE AND DEACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 125.0 DC AT SEA LEVEL FOURTH 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 |
|---|---|
| 2D3-1568 PIECE 8 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 232P43CC6 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-351-5657 is a Switch,pressure, manufactured by Lake Shore Systems, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-351-5657 has 1 manufacturer part number on file: 2D3-1568 PIECE 8 (Lake Shore Systems, Inc.).
Key specifications for 2D3-1568 PIECE 8: Overall Height: 1.500 INCHES NOMINAL IN; Frequency in Hertz: 50.0 AND 60.0 SECOND VOLTAGE; Frequency in Hertz: 50.0 AND 60.0 FIRST VOLTAGE; Contact Action Stimulus: INCREASE. 27 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.