PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27239Switch,flow

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-00-127-2789 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-127-2789 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-127-2789. Primary manufacturer part number: 27239.
Features
  • Switch,flow — FSC 5930
  • Media for Which Designed: LIQUID
  • Contact Voltage Rating in Volts: 32.0 DC AT SEA LEVEL SECOND VOLTAGE
  • Mounting Method: THREADED BUSHING AND LINE
  • Contact Action Stimulus: DECREASE
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Thread Series Designator: NPT SINGLE THREADED BUSHING
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,flow, cataloged under National Stock Number 5930-00-127-2789, 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 Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-127-2789
Primary Part Number27239
Item NameSwitch,flow
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Media for Which DesignedLIQUID
Contact Voltage Rating in Volts32.0 DC AT SEA LEVEL SECOND VOLTAGE
Mounting MethodTHREADED BUSHING AND LINE
Contact Action StimulusDECREASE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Thread Series DesignatorNPT SINGLE THREADED BUSHING
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating in Volts220.0 AC AT SEA LEVEL FIRST VOLTAGE
Thread Quantity Per Inch14 SINGLE THREADED BUSHING
Frequency in Hertz60.0 FIRST VOLTAGE
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Load Current Rating45.0 MILLIAMPERES RESISTIVE LOAD FIRST VOLTAGE
Terminal TypeWIRE LEAD
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING IN
Contact Stimulus Rating3.00 ACTUATION POINT NOMINAL GALLONS PER MINUTE
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
Features ProvidedELECTRICAL ACCESS PORT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-151-854627239 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Eaton Corporation
5330-00-366-655827239 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5342-00-488-575742981 INTERCHANGEABLE
Coupling,clamp,grooved
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
6105-00-601-9771 INTERCHANGEABLE
Stator Assembly
3120-00-796-418542981 INTERCHANGEABLE
Bearing,sleeve
Mitsubishi Caterpillar Forklift America, Inc
2940-01-018-48731P7360 INTERCHANGEABLE
Filter Element,intake Air Cleane
Caterpillar Inc Div Caterpillar Defense
5962-01-088-986042981 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5365-01-157-5060CB27471-016 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
1730-01-195-4628799 INTERCHANGEABLE
Tool,fuel Sump Drain
Service Support Systems, Inc.
5365-01-205-5848 INTERCHANGEABLE
Shim
Cross-Reference Index
Part NumberManufacturer
27239 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
42981 Thomas Products Llc (USA)
Related Parts
3110-00-151-8546INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
27239
5330-00-366-6558INTERCHANGEABLE
GASKET
27239
5342-00-488-5757INTERCHANGEABLE
COUPLING,CLAMP,GROOVED
42981
6105-00-601-9771INTERCHANGEABLE
STATOR ASSEMBLY
3120-00-796-4185INTERCHANGEABLE
BEARING,SLEEVE
42981
2940-01-018-4873INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
1P7360
5962-01-088-9860INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42981
5365-01-157-5060INTERCHANGEABLE
SHIM
CB27471-016
1730-01-195-4628INTERCHANGEABLE
TOOL,FUEL SUMP DRAIN
799
5365-01-205-5848INTERCHANGEABLE
SHIM
5360-01-422-0698INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
27239

Frequently Asked Questions

What is NSN 5930-00-127-2789?

NSN 5930-00-127-2789 is a Switch,flow, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-127-2789?

NSN 5930-00-127-2789 has 2 cross-referenced part numbers: 27239 (Setra Systems, Inc. Dba Gems Sensors), 42981 (Thomas Products Llc).

What NSN replaces 5930-00-127-2789?

There are 11 known substitutes for 5930-00-127-2789: 3110-00-151-8546, 5330-00-366-6558, 5342-00-488-5757 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27239?

Key specifications for 27239: Media for Which Designed: LIQUID; Contact Voltage Rating in Volts: 32.0 DC AT SEA LEVEL SECOND VOLTAGE; Mounting Method: THREADED BUSHING AND LINE; Contact Action Stimulus: DECREASE. 17 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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