PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1950-0Switch,pressure

Dwyer Instruments Inc · NSN 5930-01-191-9678 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-191-9678 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-191-9678. Primary manufacturer part number: 1950-0.
Features
  • Switch,pressure — FSC 5930
  • Thread Series Designator: NPT ALL PRESSURE CONNECTION
  • Style Designator: CYLINDRICAL
  • Distance Between Mounting Facility Centers: 4.875 INCHES NOMINAL IN
  • Operating Temp Rating: -40.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF
  • Contact Adjustment Range: +0.15 TO 0.50 ACTUATION POINT INCHES OF WATER
  • Contact Adjustability: ACTUATION POINT ADJUSTABLE
  • Terminal Type: SCREW
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-01-191-9678, 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 25 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.

Technical Specifications
ParameterValue
NSN5930-01-191-9678
Primary Part Number1950-0
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerDwyer Instruments Inc
StatusACTIVE
Thread Series DesignatorNPT ALL PRESSURE CONNECTION
Style DesignatorCYLINDRICAL
Distance Between Mounting Facility Centers4.875 INCHES NOMINAL IN
Operating Temp Rating-40.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF
Contact Adjustment Range+0.15 TO 0.50 ACTUATION POINT INCHES OF WATER
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Terminal TypeSCREW
Thread Quantity Per Inch27 ALL PRESSURE CONNECTION
Nominal Thread Size0.125 INCHES ALL PRESSURE CONNECTION IN
Contact Load Current Rating15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Inside Diameter0.125 INCHES NOMINAL ALL CONNECTIONS IN
Hazardous Locations/environmental ProtectionEXPLOSION PROOF
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Features ProvidedELECTRICAL ACCESS PORT
Unthreaded Mounting Hole Diameter0.375 INCHES NOMINAL IN
Mounting Facility PatternTWO POSITION IN-LINE
Contact Action StimulusINCREASE
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Contact Voltage Rating in Volts480.0 AC AT SEA LEVEL SINGLE VOLTAGE
Pressure Switch TypeGAGE
Pressure Connector TypeINVERTED FLARE, THREADED INTERNAL ALL CONNECTIONS
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Proof Pressure45.00 INCHES OF WATER IN
Frequency in Hertz60.0 SINGLE VOLTAGE
Media for Which DesignedLIQUID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2920-00-051-956719500 INTERCHANGEABLE
Switch,float
Setra Systems, Inc. Dba Gems Sensors
6210-00-284-0289 INTERCHANGEABLE
Light,indicator
6515-00-343-860019-500 INTERCHANGEABLE
Knife,ear
Integra Lifesciences Corporation
5330-01-141-3941 INTERCHANGEABLE
Seal,plain Encased
3694-01-240-463019500 INTERCHANGEABLE
Blower,static Eliminating
Charleswater Products Inc
7350-01-256-109119500 INTERCHANGEABLE
Bowl,eating
Babco International Inc
4810-01-424-4981AD-1P INTERCHANGEABLE
Parts Kit,valve
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6140-01-489-052019500 INTERCHANGEABLE
Battery,storage
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
4610-01-633-066119500 INTERCHANGEABLE
Water Purification Unit,skid Mou
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
1950-0 PRIMARY Dwyer Instruments Inc (USA)
Related Parts
2920-00-051-9567INTERCHANGEABLE
SWITCH,FLOAT
19500
6210-00-284-0289INTERCHANGEABLE
LIGHT,INDICATOR
6515-00-343-8600INTERCHANGEABLE
KNIFE,EAR
19-500
5330-01-141-3941INTERCHANGEABLE
SEAL,PLAIN ENCASED
3694-01-240-4630INTERCHANGEABLE
BLOWER,STATIC ELIMINATING
19500
7350-01-256-1091INTERCHANGEABLE
BOWL,EATING
19500
4810-01-424-4981INTERCHANGEABLE
PARTS KIT,VALVE
AD-1P
6140-01-489-0520INTERCHANGEABLE
BATTERY,STORAGE
19500
4610-01-633-0661INTERCHANGEABLE
WATER PURIFICATION UNIT,SKID MOU
19500

Frequently Asked Questions

What is NSN 5930-01-191-9678?

NSN 5930-01-191-9678 is a Switch,pressure, manufactured by Dwyer Instruments Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-191-9678?

NSN 5930-01-191-9678 has 1 cross-referenced part number: 1950-0 (Dwyer Instruments Inc).

What NSN replaces 5930-01-191-9678?

There are 9 known substitutes for 5930-01-191-9678: 2920-00-051-9567, 6210-00-284-0289, 6515-00-343-8600 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1950-0?

Key specifications for 1950-0: Thread Series Designator: NPT ALL PRESSURE CONNECTION; Style Designator: CYLINDRICAL; Distance Between Mounting Facility Centers: 4.875 INCHES NOMINAL IN; Operating Temp Rating: -40.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF. 29 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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