PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS1950Switch,liquid Level

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-00-409-9261 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-409-9261 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-409-9261. Primary manufacturer part number: LS1950.
Features
  • Switch,liquid Level — FSC 5930
  • AC Voltage Rating: 110.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
  • Float Quantity: 1
  • Mounting Dimensions: 0.250NPT MALEW/NUT 0.625HEX
  • Voltage Rating at Maximum Rated Current: 110.0 VOLTS
  • Operating Temp Rating: 0.0 FAHRENHEIT NOMINAL AND 250.0 FAHRENHEIT NOMINAL DEGF
  • Float Effective Travel: 1.000 INCHES NOMINAL IN
  • Phase: SINGLE FIRST ALTERNATE OPERATING POWER RQMT
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,liquid Level, cataloged under National Stock Number 5930-00-409-9261, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-409-9261
Primary Part NumberLS1950
Item NameSwitch,liquid Level
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusCANCELLED
AC Voltage Rating110.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
Float Quantity1
Mounting Dimensions0.250NPT MALEW/NUT 0.625HEX
Voltage Rating at Maximum Rated Current110.0 VOLTS
Operating Temp Rating0.0 FAHRENHEIT NOMINAL AND 250.0 FAHRENHEIT NOMINAL DEGF
Float Effective Travel1.000 INCHES NOMINAL IN
PhaseSINGLE FIRST ALTERNATE OPERATING POWER RQMT
Tank Insertion Length2.375 INCHES NOMINAL IN
Liquid Type for Which DesignedVARIOUS FUELS
Contact ArrangementSINGLE POLE SINGLE THROW NORMALLY OPEN IN DRY CONDITION-NORMALLY CLOSED BY INVERTING FLOAT ON STEM
Mounting PositionVERTICAL
Maximum Current Rating90.0 MILLIAMPERES NOMINAL LOAD
Mounting MethodTHREAD
PhaseSINGLE SECOND ALTERNATE OPERATING POWER RQMT
RelayNOT INCLUDED
Current Rating at Maximum Rated Voltage45.0 MILLIAMPERES NOMINAL LOAD
Actuation MethodBUOYANCY
Frequency Rating60.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
Electrical Connection TypeCABLE
Overall Diameter2.000 INCHES NOMINAL IN
DC Voltage Rating6.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
AC Voltage Rating220.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT
Power Cable Length24.000 INCHES NOMINAL IN
DC Voltage Rating32.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT
Frequency Rating60.0 HERTZ NOMINAL SECOND ALTERNATE OPERATING POWER RQMT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6645-00-629-7762100690 INTERCHANGEABLE
Meter,time Totalizing
Maxima Technologies & Systems Llc
6675-00-767-6083C0919112032-0 INTERCHANGEABLE
Indicator,height
Elbitamerica, Inc.
5315-01-484-126794574 INTERCHANGEABLE
Pin,spring
Hampton Hydraulics, Llc
Cross-Reference Index
Part NumberManufacturer
94574 Parker Hannifin Corp Dba Pneutronics Div Aerospace Filtration Division (USA)
LS1950 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
SAF127 New Sd Inc Seaton-Wilson Div Sub of Bei Electronics Inc (USA)
M5600 Madison Company (USA)
LS1950/01950 Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
6645-00-629-7762INTERCHANGEABLE
METER,TIME TOTALIZING
100690
6675-00-767-6083INTERCHANGEABLE
INDICATOR,HEIGHT
C0919112032-0
5315-01-484-1267INTERCHANGEABLE
PIN,SPRING
94574

Frequently Asked Questions

What is NSN 5930-00-409-9261?

NSN 5930-00-409-9261 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-409-9261?

NSN 5930-00-409-9261 has 5 cross-referenced part numbers: 94574 (Parker Hannifin Corp Dba Pneutronics Div Aerospace Filtration Division), LS1950 (Setra Systems, Inc. Dba Gems Sensors), SAF127 (New Sd Inc Seaton-Wilson Div Sub of Bei Electronics Inc), M5600 (Madison Company), LS1950/01950 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5930-00-409-9261?

There are 3 known substitutes for 5930-00-409-9261: 6645-00-629-7762, 6675-00-767-6083, 5315-01-484-1267. Verify interchangeability with system specifications before substitution.

What are the specifications of LS1950?

Key specifications for LS1950: AC Voltage Rating: 110.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT; Float Quantity: 1; Mounting Dimensions: 0.250NPT MALEW/NUT 0.625HEX; Voltage Rating at Maximum Rated Current: 110.0 VOLTS. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-409-9261 still in active supply?

NSN 5930-00-409-9261 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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