PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74378Switch,flow

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-01-180-9756 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-180-9756 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-180-9756. Primary manufacturer part number: 74378.
Features
  • Switch,flow — FSC 5930
  • Mounting Method: LINE AND THREADED BUSHING
  • Contact Voltage Rating in Volts: 220.0 AC AT SEA LEVEL SECOND VOLTAGE
  • Contact Load Current Rating: 0.5 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Contact Voltage Rating in Volts: 32.0 DC AT SEA LEVEL FOURTH VOLTAGE
  • Contact Load Current Rating: 0.5 AMPERES RESISTIVE LOAD THIRD VOLTAGE
  • 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 5930-01-180-9756, 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 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-180-9756
Primary Part Number74378
Item NameSwitch,flow
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Mounting MethodLINE AND THREADED BUSHING
Contact Voltage Rating in Volts220.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact Voltage Rating in Volts32.0 DC AT SEA LEVEL FOURTH VOLTAGE
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating in Volts110.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Action StimulusDECREASE
Media for Which DesignedLIQUID
Contact Load Current Rating45.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE
Thread Series DesignatorNPT SINGLE THREADED BUSHING
Contact Load Current Rating90.0 MILLIAMPERES RESISTIVE LOAD FIRST VOLTAGE
Terminal TypeWIRE LEAD
Contact Voltage Rating in Volts6.0 DC AT SEA LEVEL THIRD VOLTAGE
Contact Stimulus Rating70.00 ACTUATION POINT NOMINAL GALLONS PER MINUTE
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING IN
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3040-00-125-496674378 INTERCHANGEABLE
Pawl,ratchet
Telemechanics Inc
5960-00-246-462274-378 INTERCHANGEABLE
Retainer,electron Tube
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5133-00-247-2751 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
74378 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
3040-00-125-4966INTERCHANGEABLE
PAWL,RATCHET
74378
5960-00-246-4622INTERCHANGEABLE
RETAINER,ELECTRON TUBE
74-378
5133-00-247-2751INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5930-01-180-9756?

NSN 5930-01-180-9756 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 5930-01-180-9756?

NSN 5930-01-180-9756 has 1 cross-referenced part number: 74378 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5930-01-180-9756?

There are 3 known substitutes for 5930-01-180-9756: 3040-00-125-4966, 5960-00-246-4622, 5133-00-247-2751. Verify interchangeability with system specifications before substitution.

What are the specifications of 74378?

Key specifications for 74378: Mounting Method: LINE AND THREADED BUSHING; Contact Voltage Rating in Volts: 220.0 AC AT SEA LEVEL SECOND VOLTAGE; Contact Load Current Rating: 0.5 AMPERES RESISTIVE LOAD FOURTH VOLTAGE; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION. 19 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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