The Switch,pressure, cataloged under National Stock Number 5930-01-103-4812, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-103-4812 |
| Primary Part Number | 642AS1032 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Body Diameter | 2.040 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Facility Circle Radius | 2.910 INCHES NOMINAL IN |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.225 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 1.000 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | GAGE |
| Body Length | 2.750 INCHES MAXIMUM IN |
| Pressure Connector Type | GROOVED, UNTHREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | 28.0 FAHRENHEIT MINIMUM AND 110.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 30.00 ACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH ABSOLUTE AND 17.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH ABSOLUTE AND 13.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH ABSOLUTE |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Hazardous Locations/environmental Protection | WEATHERPROOF |
| 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 |
|---|---|
| 8A1067 | Custom Control Sensors, Llc (USA) |
| 212C117-28 | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
| 642AS1032 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5930-01-103-4812 is a Switch,pressure, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-103-4812 has 3 manufacturer part numbers on file: 8A1067 (Custom Control Sensors, Llc), 212C117-28 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution), 642AS1032 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 642AS1032: Body Diameter: 2.040 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Mounting Facility Pattern: FOUR POSITION CIRCULAR. 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.