The Switch,pressure, cataloged under National Stock Number 5930-01-176-6981, 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 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-176-6981 |
| Primary Part Number | 266-8376-050 |
| 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 |
| Body Diameter | 1.625 INCHES MAXIMUM IN |
| Contact Action Stimulus | DECREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Proof Pressure | 30.00 POUNDS PER SQUARE INCH ABSOLUTE LBS |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 2.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Body Height | 0.810 INCHES MAXIMUM IN |
| Unthreaded Mounting Hole Diameter | 0.150 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Style Designator | DISC W/FLANGE |
| Pressure Switch Type | ABSOLUTE |
| Distance Between Mounting Facility Centers | 1.930 INCHES NOMINAL IN |
| Operating Temp Rating | -73.0 CELSIUS MINIMUM AND 150.0 CELSIUS MAXIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 4.37 ACTUATION POINT MINIMUM POUNDS PER SQUARE INCH ABSOLUTE AND 4.62 ACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH ABSOLUTE AND 4.97 DEACTUATION POINT MINIMUM POUNDS PER SQUARE INCH ABSOLUTE AND 5.22 DEACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH ABSOLUTE |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 30.0 DC AT ALTITUDE SECOND VOLTAGE |
| Hazardous Locations/environmental Protection | CORROSION RESISTANT AND SALT SPRAY RESISTANT AND VIBRATION 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 |
|---|---|
| 266-8376-050 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 266-8376-050 | 5/2 Secondary reference U.S. Government activity |
| GB-300-161 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-176-6981 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 5930-01-176-6981 has 1 manufacturer part number on file: 266-8376-050 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 266-8376-050: Body Diameter: 1.625 INCHES MAXIMUM IN; Overall Height: 1.156 INCHES NOMINAL IN; Contact Action Stimulus: DECREASE; Terminal Type: TAB, SOLDER LUG. 21 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.