The Switch,pressure, cataloged under National Stock Number 5930-01-483-8753, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Dwyer Instruments Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-483-8753 |
| Primary Part Number | 1640-2 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — No Item Name Available |
| Manufacturer | Dwyer Instruments Inc |
| Status | ACTIVE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Style Designator | CYLINDRICAL W/BRACKET |
| Media for Which Designed | GAS |
| Contact Voltage Rating in Volts | 220.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Adjustment Range | +1.00 TO 4.00 ACTUATION POINT INCHES OF WATER |
| Contact Voltage Rating in Volts | 24.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Longest Vertical Distance Between Mounting Centers | 3.000 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Body Diameter | 7.750 INCHES NOMINAL IN |
| Pressure Switch Type | DIFFERENTIAL |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Operating Temp Rating | -30.0 FAHRENHEIT MINIMUM AND 130.0 FAHRENHEIT MAXIMUM DEGF |
| Unthreaded Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Longest Horizontal Distance Between Mounting Centers | 2.000 INCHES NOMINAL IN |
| Proof Pressure | 25.00 POUNDS PER SQUARE INCH GAGE LBS |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW WITH SCALE |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Terminal Type | SCREW |
| Contact Load Current Rating | 0.5 AMPERES INDUCTIVE LOAD AND 1.0 AMPERES INDUCTIVE LOAD AND 1.5 AMPERES RESISTIVE LOAD AND 2.5 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1640-2 PRIMARY | Dwyer Instruments Inc (USA) |
NSN 5930-01-483-8753 is a Switch,pressure, manufactured by Dwyer Instruments Inc, classified under FSC 5930 (No Item Name Available). Status: active.
NSN 5930-01-483-8753 has 1 cross-referenced part number: 1640-2 (Dwyer Instruments Inc).
There are 9 known substitutes for 5930-01-483-8753: 6150-00-279-6040, 6680-00-345-7267, 3030-00-727-5855 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1640-2: Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S); Style Designator: CYLINDRICAL W/BRACKET; Media for Which Designed: GAS; Contact Voltage Rating in Volts: 220.0 AC AT SEA LEVEL FIRST VOLTAGE. 24 total characteristics are documented in the Federal Logistics Information System.