PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12537Switch,pressure

Hydra-Electric Company Dba Hydra-Electric Co · NSN 5930-01-173-4948 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-173-4948 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-173-4948. Primary manufacturer part number: 12537.
Features
  • Switch,pressure — FSC 5930
  • Overall Diameter: 1.500 INCHES NOMINAL IN
  • Operating Temp Rating: -40.0 FAHRENHEIT MINIMUM AND 130.0 FAHRENHEIT MAXIMUM DEGF
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE
  • Contact Stimulus Rating: 22.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE AND 17.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE
  • Proof Pressure: 300.00 POUNDS PER SQUARE INCH LBS
  • Pressure Connector Type: FLARED, THREADED EXTERNAL SINGLE CONNECTION
  • Media for Which Designed: LIQUID
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-01-173-4948, 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 Hydra-Electric Company Dba Hydra-Electric Co. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-173-4948
Primary Part Number12537
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerHydra-Electric Company Dba Hydra-Electric Co
StatusACTIVE
Overall Diameter1.500 INCHES NOMINAL IN
Operating Temp Rating-40.0 FAHRENHEIT MINIMUM AND 130.0 FAHRENHEIT MAXIMUM DEGF
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE
Contact Stimulus Rating22.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE AND 17.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE
Proof Pressure300.00 POUNDS PER SQUARE INCH LBS
Pressure Connector TypeFLARED, THREADED EXTERNAL SINGLE CONNECTION
Media for Which DesignedLIQUID
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Pressure Switch TypeGAGE
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Terminal TypeCONNECTOR, RECEPTACLE
Contact Action StimulusINCREASE
Mounting MethodLINE
Nominal Thread Size0.438 INCHES SINGLE PRESSURE CONNECTION IN
Outside Diameter0.438 INCHES NOMINAL SINGLE CONNECTION IN
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Thread Length0.350 INCHES NOMINAL SINGLE PRESSURE CONNECTION IN
Body Length1.500 INCHES NOMINAL IN
Thread Class3A SINGLE PRESSURE CONNECTION A
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SINGLE PRESSURE CONNECTION
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-156-486305851NB INTERCHANGEABLE
Bearing,ball,annular
Cnh Industrial America Llc Dba Cnh America
5315-00-484-664812537 INTERCHANGEABLE
Pin,shoulder,headless
Triumph Engine Control Systems Llc
3020-00-807-8292 INTERCHANGEABLE
Sprocket Wheel
3120-00-906-627812537 INTERCHANGEABLE
Bearing Half,washer,thrust
Westerbeke Corporation
5998-01-349-827812537 INTERCHANGEABLE
Circuit Card Assembly
Vaisala Inc.
Cross-Reference Index
Part NumberManufacturer
12537 PRIMARY Hydra-Electric Company Dba Hydra-Electric Co (USA)
Related Parts
3110-00-156-4863INTERCHANGEABLE
BEARING,BALL,ANNULAR
05851NB
5315-00-484-6648INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
12537
3020-00-807-8292INTERCHANGEABLE
SPROCKET WHEEL
3120-00-906-6278INTERCHANGEABLE
BEARING HALF,WASHER,THRUST
12537
5998-01-349-8278INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
12537

Frequently Asked Questions

What is NSN 5930-01-173-4948?

NSN 5930-01-173-4948 is a Switch,pressure, manufactured by Hydra-Electric Company Dba Hydra-Electric Co, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-173-4948?

NSN 5930-01-173-4948 has 1 cross-referenced part number: 12537 (Hydra-Electric Company Dba Hydra-Electric Co).

What NSN replaces 5930-01-173-4948?

There are 5 known substitutes for 5930-01-173-4948: 3110-00-156-4863, 5315-00-484-6648, 3020-00-807-8292 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12537?

Key specifications for 12537: Overall Diameter: 1.500 INCHES NOMINAL IN; Operating Temp Rating: -40.0 FAHRENHEIT MINIMUM AND 130.0 FAHRENHEIT MAXIMUM DEGF; Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE; Overall Length: 2.600 INCHES NOMINAL IN. 22 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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