The Switch,pressure, cataloged under National Stock Number 5930-01-151-4637, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-151-4637 |
| Primary Part Number | 214C40-3-144 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TURRET |
| Mounting Facility Pattern | THREE POSITION CIRCULAR |
| Overall Diameter | 1.340 INCHES MAXIMUM IN |
| Mounting Facility Circle Radius | 1.000 INCHES NOMINAL IN |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 4.0 AMPERES RESISTIVE LOAD AND 2.5 AMPERES INDUCTIVE LOAD THIRD VOLTAGE |
| Mounting Method | SURFACE AND THREADED HOLE(S) |
| Contact Adjustment Range | +0.50 TO 15.00 ACTUATION POINT POUNDS PER SQUARE INCH ABSOLUTE AND +0.50 TO 15.00 DEACTUATION POINT POUNDS PER SQUARE INCH ABSOLUTE |
| Body Height | 0.750 INCHES MAXIMUM IN |
| Pressure Switch Type | ABSOLUTE |
| Features Provided | AUTOMATIC RESET |
| Nominal Thread Size | 0.112 INCHES ALL THREADED HOLE IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2B ALL THREADED HOLE |
| Contact Stimulus Rating | 1.00 DIFFERENTIAL POINT MAXIMUM POUNDS PER SQUARE INCH ABSOLUTE |
| Thread Quantity Per Inch | 40 ALL THREADED HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE, PRESET AND DEACTUATION POINT ADJUSTABLE, PRESET |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| 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 |
|---|---|
| 214C40-3-144 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| R214C40 | D/9 Drawing number reference only Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
NSN 5930-01-151-4637 is a Switch,pressure, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-151-4637 has 1 manufacturer part number on file: 214C40-3-144 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).
Key specifications for 214C40-3-144: Overall Height: 1.080 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: TURRET; Mounting Facility Pattern: THREE POSITION CIRCULAR. 26 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.