The Switch,pressure, cataloged under National Stock Number 5930-00-346-7989, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 25 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-346-7989 |
| Primary Part Number | 266-8402-020 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Proof Pressure | 300.00 POUNDS PER SQUARE INCH GAGE LBS |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | THREADED BUSHING |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | DIFFERENTIAL |
| Features Provided | ELECTRICAL BOX CONNECTOR |
| Nominal Thread Size | 0.438 INCHES SINGLE PRESSURE CONNECTION IN |
| Nominal Thread Size | 0.438 INCHES SINGLE THREADED BUSHING IN |
| Body Length | 2.223 INCHES NOMINAL IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL ALL CONNECTIONS |
| Operating Temp Rating | -10.0 CELSIUS MINIMUM AND 60.0 CELSIUS MAXIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS |
| Thread Class | 3A SINGLE THREADED BUSHING A |
| Thread Class | 3A ALL PRESSURE CONNECTION A |
| Contact Stimulus Rating | 50.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 20.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 30.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH |
| Thread Quantity Per Inch | 20 SINGLE THREADED BUSHING |
| Thread Quantity Per Inch | 20 ALL PRESSURE CONNECTION |
| Thread Series Designator | UNF ALL PRESSURE CONNECTION |
| Thread Series Designator | UNF SINGLE THREADED BUSHING |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Hazardous Locations/environmental Protection | VIBRATION RESISTANT AND HUMIDITY RESISTANT AND SALT SPRAY RESISTANT |
| 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 |
|---|---|
| 266-8402-020 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 1153P5 | 5/2 Secondary reference U.S. Government activity |
| 1153 | 5/2 Secondary reference U.S. Government activity |
| 8D881-1 | 5/9 Secondary reference Custom Control Sensors, Llc |
NSN 5930-00-346-7989 is a Switch,pressure, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-346-7989 has 1 manufacturer part number on file: 266-8402-020 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 266-8402-020: Overall Height: 0.860 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Proof Pressure: 300.00 POUNDS PER SQUARE INCH GAGE LBS. 25 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.