The Switch,pressure, cataloged under National Stock Number 5930-00-720-1481, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-720-1481 |
| Primary Part Number | 1638-0 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — No Item Name Available |
| Manufacturer | Dwyer Instruments Inc |
| Status | ACTIVE |
| Terminal Type | TAB W/SCREW |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW WITH SCALE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Style Designator | CYLINDRICAL |
| Thread Series Designator | NPT ALL PRESSURE CONNECTION |
| Longest Vertical Distance Between Mounting Centers | 3.000 INCHES NOMINAL IN |
| Longest Horizontal Distance Between Mounting Centers | 2.000 INCHES NOMINAL IN |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Mounting Method | BRACKET(S) |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Nominal Thread Size | 0.125 INCHES SINGLE PRESSURE CONNECTION IN |
| Thread Quantity Per Inch | 27 ALL PRESSURE CONNECTION |
| Contact Load Current Rating | 3.5 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Adjustment Range | +0.05 TO 0.25 ACTUATION POINT INCHES OF WATER |
| Overall Diameter | 7.750 INCHES NOMINAL IN |
| Proof Pressure | 25.00 POUNDS PER SQUARE INCH LBS |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Operating Temp Rating | 40.0 FAHRENHEIT MINIMUM AND 125.0 FAHRENHEIT MAXIMUM DEGF |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Action Stimulus | INCREASE |
| Contact Load Current Rating | 7.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5930-00-720-1481 is a Switch,pressure, manufactured by Dwyer Instruments Inc, classified under FSC 5930 (No Item Name Available). Status: active.
NSN 5930-00-720-1481 has 3 cross-referenced part numbers: 1637-25 (Dwyer Instruments Inc), B506-1451 (Dwyer Instruments Inc), 1638-0 (Dwyer Instruments Inc).
There are 12 known substitutes for 5930-00-720-1481: 3110-00-227-4630, 3020-00-737-8261, 2940-01-062-1905 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1638-0: Terminal Type: TAB W/SCREW; Contact Adjustment Type: EXTERNAL ACTUATION POINT SCREW WITH SCALE; Contact Voltage Rating in Volts: 120.0 AC AT SEA LEVEL SECOND VOLTAGE; Style Designator: CYLINDRICAL. 24 total characteristics are documented in the Federal Logistics Information System.