PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31857Switch,flow

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-01-299-6314 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-299-6314 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-299-6314. Primary manufacturer part number: 31857.
Features
  • Switch,flow — FSC 5930
  • Thread Series Designator: NPT SINGLE THREADED BUSHING
  • Contact Load Current Rating: 500.0 MILLIAMPERES INDUCTIVE LOAD SECOND VOLTAGE
  • Contact Stimulus Rating: 1.50 DEACTUATION POINT NOMINAL GALLONS PER MINUTE
  • Precious Material and Location: CONTACT SURFACES SILVER
  • Terminal Type: WIRE LEAD
  • Precious Material: SILVER
  • Operating Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,flow, cataloged under National Stock Number 5930-01-299-6314, 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 2 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.

Technical Specifications
ParameterValue
NSN5930-01-299-6314
Primary Part Number31857
Item NameSwitch,flow
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Thread Series DesignatorNPT SINGLE THREADED BUSHING
Contact Load Current Rating500.0 MILLIAMPERES INDUCTIVE LOAD SECOND VOLTAGE
Contact Stimulus Rating1.50 DEACTUATION POINT NOMINAL GALLONS PER MINUTE
Precious Material and LocationCONTACT SURFACES SILVER
Terminal TypeWIRE LEAD
Precious MaterialSILVER
Operating Temp Rating250.0 FAHRENHEIT MAXIMUM DEGF
Media for Which DesignedLIQUID
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating in Volts220.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Voltage Rating in Volts32.0 DC AT SEA LEVEL SECOND VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact Load Current Rating500.0 MILLIAMPERES INDUCTIVE LOAD FIRST VOLTAGE
Hazardous Locations/environmental ProtectionCORROSION RESISTANT
Mounting MethodLINE AND THREADED BUSHING
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING IN
Features ProvidedHERMETICALLY SEALED CASE
Contact Action StimulusDECREASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-147-812873810 INTERCHANGEABLE
Bushing
Textron Lycoming Inc Williamsport Plant
6685-00-305-8405111333 INTERCHANGEABLE
Thermostat,flow Control
Cummins Inc.
6220-00-703-099631857 INTERCHANGEABLE
Housing,light Fixture
Grimes Aerospace Company
5930-00-837-5780FS-200M-SB MONEL TRIM 22206 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5331-00-842-0567AS3578-229 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5930-01-161-314768679 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5930-01-176-643161982 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5930-01-231-574775540 INTERCHANGEABLE
Switch Subassembly
Setra Systems, Inc. Dba Gems Sensors
5330-01-306-462931857 INTERCHANGEABLE
Packing,preformed
Funk Mfg Co Sub of Deere and Co
5930-01-306-8801125341 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
31857 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
73810 Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
3120-00-147-8128INTERCHANGEABLE
BUSHING
73810
6685-00-305-8405INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
111333
6220-00-703-0996INTERCHANGEABLE
HOUSING,LIGHT FIXTURE
31857
5930-00-837-5780INTERCHANGEABLE
SWITCH,FLOW
FS-200M-SB MONEL TRIM 22206
5331-00-842-0567INTERCHANGEABLE
O-RING
AS3578-229
5930-01-161-3147INTERCHANGEABLE
SWITCH,FLOW
68679
5930-01-176-6431INTERCHANGEABLE
SWITCH,FLOW
61982
5930-01-231-5747INTERCHANGEABLE
SWITCH SUBASSEMBLY
75540
5330-01-306-4629INTERCHANGEABLE
PACKING,PREFORMED
31857
5930-01-306-8801INTERCHANGEABLE
SWITCH,FLOW
125341
5930-01-317-2085INTERCHANGEABLE
SWITCH SUBASSEMBLY
49502
3120-01-342-4671INTERCHANGEABLE
BEARING,SLEEVE
73810

Frequently Asked Questions

What is NSN 5930-01-299-6314?

NSN 5930-01-299-6314 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 5930-01-299-6314?

NSN 5930-01-299-6314 has 2 cross-referenced part numbers: 31857 (Setra Systems, Inc. Dba Gems Sensors), 73810 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5930-01-299-6314?

There are 12 known substitutes for 5930-01-299-6314: 3120-00-147-8128, 6685-00-305-8405, 6220-00-703-0996 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31857?

Key specifications for 31857: Thread Series Designator: NPT SINGLE THREADED BUSHING; Contact Load Current Rating: 500.0 MILLIAMPERES INDUCTIVE LOAD SECOND VOLTAGE; Contact Stimulus Rating: 1.50 DEACTUATION POINT NOMINAL GALLONS PER MINUTE; Precious Material and Location: CONTACT SURFACES SILVER. 20 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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