The Switch,pressure, cataloged under National Stock Number 5930-00-253-5176, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-253-5176 |
| Primary Part Number | 1823-1A |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — No Item Name Available |
| Manufacturer | Dwyer Instruments Inc |
| Status | ACTIVE |
| Inside Diameter | 0.125 INCHES NOMINAL ALL CONNECTIONS IN |
| Terminal Type | SCREW |
| Nominal Thread Size | 0.500 INCHES SINGLE THREADED STUD IN |
| Contact Action Stimulus | INCREASE |
| Contact Adjustment Range | +0.20 TO 1.00 ACTUATION POINT INCHES OF WATER |
| Pressure Connector Type | PLAIN, THREADED INTERNAL SECOND CONNECTION |
| Thread Series Designator | NPT SINGLE THREADED STUD |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| Nominal Thread Size | 0.125 INCHES ALL PRESSURE CONNECTION IN |
| Pressure Switch Type | DIFFERENTIAL |
| Thread Quantity Per Inch | 27 ALL PRESSURE CONNECTION |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Pressure Connector Type | FLARE, THREADED INTERNAL FIRST CONNECTION |
| Style Designator | CYLINDRICAL W/MOUNTING LUGS |
| Contact Load Current Rating | 100.0 MILLIAMPERES INDUCTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | THREADED STUD(S) |
| Thread Series Designator | PTF-SAE SHORT ALL PRESSURE CONNECTION |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE, PRESET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1823-1A PRIMARY | Dwyer Instruments Inc (USA) |
| 990C639H01 | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| 1820-1A | Dwyer Instruments Inc (USA) |
NSN 5930-00-253-5176 is a Switch,pressure, manufactured by Dwyer Instruments Inc, classified under FSC 5930 (No Item Name Available). Status: active.
NSN 5930-00-253-5176 has 3 cross-referenced part numbers: 1823-1A (Dwyer Instruments Inc), 990C639H01 (Northrop Grumman Systems Corporation Dba Electronic Systems), 1820-1A (Dwyer Instruments Inc).
There is 1 known substitute for 5930-00-253-5176: 2805-00-517-9911. Verify interchangeability with system specifications before substitution.
Key specifications for 1823-1A: Inside Diameter: 0.125 INCHES NOMINAL ALL CONNECTIONS IN; Terminal Type: SCREW; Overall Width: 4.060 INCHES NOMINAL IN; Nominal Thread Size: 0.500 INCHES SINGLE THREADED STUD IN. 23 total characteristics are documented in the Federal Logistics Information System.