| Item Name | Switch Pressure |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5930 Switches |
| National Item Identification Number (NIIN) | 01-145-9231 (011459231) |
| NCB Code | USA (01) |
| Manufacturer | Johnston Boiler Company, Honeywell International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B SINGLE PRESSURE CONNECTION |
| AARX | INSIDE DIAMETER | 0.540 INCHES NOMINAL SINGLE CONNECTION |
| AASA | THREAD LENGTH | 0.750 INCHES NOMINAL SINGLE PRESSURE CONNECTION |
| ABHP | OVERALL LENGTH | 4.500 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 4.969 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 2.750 INCHES NOMINAL |
| ADAU | BODY HEIGHT | 3.875 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | USED ON JOHNSTON BOILER MODEL 509S-4PC ONBOARD 378 FT COAST GUARD VESSELS |
| AJZC | PRESSURE SWITCH TYPE | DIFFERENTIAL |
| AXGY | MOUNTING METHOD | INLET CONNECTION |
| CMLP | THREAD QUANTITY PER INCH | 18 SINGLE PRESSURE CONNECTION |
| CQGB | CONTACT ACTION STIMULUS | INCREASE |
| CQJB | PROOF PRESSURE | 500.00 POUNDS PER SQUARE INCH |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES SINGLE PRESSURE CONNECTION |
| CRLD | NONPILE-UP CONTACT ARRANGEMENT | 1 POLE,DOUBLE THROW,ONE POSITION MOMENTARY |
| CSCF | TERMINAL TYPE | SCREW |
| CTHF | CONTACT LOAD CURRENT RATING | 5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| CTYC | CONTACT ADJUSTABILITY | DEACTUATION POINT NOT ADJUSTABLE,MANUAL RESET AND ACTUATION POINT ADJUSTABLE,PRESET |
| CTYM | CONTACT ADJUSTMENT RANGE | 20.00/300.00 ACTUATION POINT POUNDS PER SQUARE INCH |
| CTYS | CONTACT ADJUSTMENT TYPE | EXTERNAL ACTUATION POINT KNOB |
| CTYX | CONTACT STIMULUS RATING | 125.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 20.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH |
| CTZB | CONTACT VOLTAGE RATING IN VOLTS | 240.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| CTZL | PRESSURE CONNECTOR TYPE | PLAIN,THREADED INTERNAL SINGLE CONNECTION |
| FREQ | FREQUENCY IN HERTZ | 60.0 SINGLE VOLTAGE |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS |
| STYL | STYLE DESIGNATOR | RECTANGULAR |
| THSD | THREAD SERIES DESIGNATOR | NPT SINGLE PRESSURE CONNECTION |
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| 5970-01-146-4146 (5970011464146) | 5975-01-393-2233 (5975013932233) | 5999-01-420-7755 (5999014207755) | 5910-00-826-2725 (5910008262725) | |
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