PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51206Switch,liquid Level

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-01-085-1504 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-085-1504 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-085-1504. Primary manufacturer part number: 51206.
Features
  • Switch,liquid Level — FSC 5930
  • Voltage Rating at Maximum Rated Current: 32.0 VOLTS
  • Contact Arrangement: SPST,NORMALLY CLOSED
  • Mounting Dimensions: MTD BY FOUR 0.750 IN. DIA HOLES EQUALLY SPACED ON A 5.500 IN. DIA BOLT CIRCLE IN
  • Maximum Current Rating: 0.5 AMPERES RESISTIVE LOAD
  • Frequency Rating: 60.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
  • AC Voltage Rating: 220.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT
  • AC Voltage Rating: 110.0 VOLTS NOMINAL 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 5930-01-085-1504, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-085-1504
Primary Part Number51206
Item NameSwitch,liquid Level
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Voltage Rating at Maximum Rated Current32.0 VOLTS
Contact ArrangementSPST,NORMALLY CLOSED
Mounting DimensionsMTD BY FOUR 0.750 IN. DIA HOLES EQUALLY SPACED ON A 5.500 IN. DIA BOLT CIRCLE IN
Maximum Current Rating0.5 AMPERES RESISTIVE LOAD
Frequency Rating60.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
AC Voltage Rating220.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT
AC Voltage Rating110.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
Overall Diameter7.000 INCHES NOMINAL IN
Actuation MethodBUOYANCY
DC Voltage Rating32.0 VOLTS MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT
Electrical Connection TypeCONNECTOR BOX
PhaseSINGLE SECOND ALTERNATE OPERATING POWER RQMT
Mounting MethodFLANGE
DC Voltage Rating6.0 VOLTS MINIMUM FIRST ALTERNATE OPERATING POWER RQMT
Frequency Rating60.0 HERTZ NOMINAL SECOND ALTERNATE OPERATING POWER RQMT
RelayNOT INCLUDED
PhaseSINGLE FIRST ALTERNATE OPERATING POWER RQMT
Float Effective Travel0.375 INCHES NOMINAL IN
Tank Insertion Length34.000 INCHES NOMINAL IN
Mounting PositionVERTICAL
Current Rating at Maximum Rated Voltage0.05 AMPERES RESISTIVE LOAD
Liquid Type for Which DesignedHYDRAULIC OIL AND LUBRICATING OIL AND VARIOUS FUELS
Operating Temp Rating350.0 FAHRENHEIT NOMINAL DEGF
Float Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1610-00-497-7883 INTERCHANGEABLE
Cone,propeller,aircraft
3110-00-761-657719280 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
5950-00-833-8132722861-1REVB INTERCHANGEABLE
Transformer,power Autotransforme
Raytheon Company Div Rmd Strategic
4940-01-253-737851206 INTERCHANGEABLE
Control Panel Assembly
Jetstream of Houston, Llp Dba Jetstream of Houston Llp
5995-01-343-1367003112-29 INTERCHANGEABLE
Cable Assembly,radio Frequency
Fjc Electronics Inc
6230-01-416-8513106-000-280 INTERCHANGEABLE
Flashlight
Mag Instrument, Inc. Dba Mag Instrument Inc
1680-01-547-802051206 INTERCHANGEABLE
Plate,aircraft,mate
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
LS-28049-4 ITEM 5 Setra Systems, Inc. Dba Gems Sensors (USA)
51206 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
LS-28049-4 Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
1610-00-497-7883INTERCHANGEABLE
CONE,PROPELLER,AIRCRAFT
3110-00-761-6577INTERCHANGEABLE
BEARING,BALL,THRUST
19280
5950-00-833-8132INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
722861-1REVB
4940-01-253-7378INTERCHANGEABLE
CONTROL PANEL ASSEMBLY
51206
5995-01-343-1367INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
003112-29
6230-01-416-8513INTERCHANGEABLE
FLASHLIGHT
106-000-280
1680-01-547-8020INTERCHANGEABLE
PLATE,AIRCRAFT,MATE
51206

Frequently Asked Questions

What is NSN 5930-01-085-1504?

NSN 5930-01-085-1504 is a Switch,liquid Level, 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 5930-01-085-1504?

NSN 5930-01-085-1504 has 3 cross-referenced part numbers: LS-28049-4 ITEM 5 (Setra Systems, Inc. Dba Gems Sensors), 51206 (Setra Systems, Inc. Dba Gems Sensors), LS-28049-4 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5930-01-085-1504?

There are 7 known substitutes for 5930-01-085-1504: 1610-00-497-7883, 3110-00-761-6577, 5950-00-833-8132 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51206?

Key specifications for 51206: Voltage Rating at Maximum Rated Current: 32.0 VOLTS; Contact Arrangement: SPST,NORMALLY CLOSED; Mounting Dimensions: MTD BY FOUR 0.750 IN. DIA HOLES EQUALLY SPACED ON A 5.500 IN. DIA BOLT CIRCLE IN; Maximum Current Rating: 0.5 AMPERES RESISTIVE LOAD. 25 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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