The Switch,pressure, cataloged under National Stock Number 5930-01-123-9388, 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 24 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-123-9388 |
| Primary Part Number | 211C223-154 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| Status | ACTIVE |
| Body Diameter | 0.800 INCHES MINIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Overall Diameter | 0.880 INCHES NOMINAL IN |
| Proof Pressure | 4500.00 POUNDS PER SQUARE INCH GAGE LBS |
| Contact Load Current Rating | 4.0 AMPERES RESISTIVE LOAD AND 3.0 AMPERES INDUCTIVE LOAD AND 0.4 AMPERES INDUCTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 4.0 AMPERES RESISTIVE LOAD AND 3.0 AMPERES INDUCTIVE LOAD AND 0.4 AMPERES LAMP LOAD FIRST VOLTAGE |
| Mounting Method | INLET CONNECTION |
| Sensing Element Burst Pressure | 7500.00 POUNDS PER SQUARE INCH GAGE LBS |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.438 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | GAGE |
| Nominal Thread Size | 0.438 INCHES SINGLE PRESSURE CONNECTION IN |
| Body Length | 2.440 INCHES NOMINAL IN |
| Pressure Connector Type | FLARELESS, THREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 3A SINGLE PRESSURE CONNECTION A |
| Contact Stimulus Rating | 2400.00 ACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH GAGE AND 1950.00 DEACTUATION POINT MINIMUM POUNDS PER SQUARE INCH GAGE AND 2000.00 DEACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH GAGE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 18.0 DC AT SEA LEVEL FIRST VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 211C223-154 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
| 70652-02451-138 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 2360-38 PRIMARY | Spectrum Associates, Inc. (USA) |
NSN 5930-01-123-9388 is a Switch,pressure, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-123-9388 has 3 manufacturer part numbers on file: 211C223-154 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution), 70652-02451-138 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 2360-38 (Spectrum Associates, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-281-2886. Verify interchangeability with system specifications before substitution.
Key specifications for 211C223-154: Body Diameter: 0.800 INCHES MINIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Overall Diameter: 0.880 INCHES NOMINAL IN. 24 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.