PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-16032Switch,liquid Level

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6680-01-168-5749 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-168-5749 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-168-5749. Primary manufacturer part number: MIL-S-16032.
Features
  • Switch,liquid Level — FSC 6680
  • DC Voltage Rating: 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
  • Power Cable Length: 300.000 INCHES NOMINAL IN
  • Electrical Connection Type: CABLE
  • Frequency Rating: 60.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
  • Overall Diameter: 2.562 INCHES NOMINAL IN
  • Mounting Position: VERTICAL
  • Criticality Code Justification: ZZZY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,liquid Level, cataloged under National Stock Number 6680-01-168-5749, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-168-5749
Primary Part NumberMIL-S-16032
Item NameSwitch,liquid Level
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
DC Voltage Rating115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
Power Cable Length300.000 INCHES NOMINAL IN
Electrical Connection TypeCABLE
Frequency Rating60.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
Overall Diameter2.562 INCHES NOMINAL IN
Mounting PositionVERTICAL
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Float Quantity1
Contact ArrangementSPST,NORMAL OPEN
Current Rating at Maximum Rated Voltage50.0 MILLIAMPERES NOMINAL LOAD
PhaseSINGLE FIRST ALTERNATE OPERATING POWER RQMT
Mounting MethodBRACKET(S)
Float Effective Travel0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Liquid Type for Which DesignedSEA WATER AND WATER
RelayNOT INCLUDED
Operating Temp Rating0.0 FAHRENHEIT MINIMUM AND 150.0 FAHRENHEIT MAXIMUM DEGF
Mounting DimensionsMTG BY TWO 9/16 IN. DIA HOLES EQUALLY SPACE 1.750 IN. C TO C IN
AC Voltage Rating115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-890-2459IC/RH1-U INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
5930-01-326-3866 INTERCHANGEABLE
Switch,liquid Level
Cross-Reference Index
Part NumberManufacturer
MIL-S-16032 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
815-1853009 REV H TYPE IC/RH1-U Naval Ship Systems Command (USA)
IC/RH1-U Naval Ship Systems Command (USA)
Related Parts
5930-00-890-2459INTERCHANGEABLE
SWITCH,LIQUID LEVEL
IC/RH1-U
5930-01-326-3866INTERCHANGEABLE
SWITCH,LIQUID LEVEL

Frequently Asked Questions

What is NSN 6680-01-168-5749?

NSN 6680-01-168-5749 is a Switch,liquid Level, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-168-5749?

NSN 6680-01-168-5749 has 3 cross-referenced part numbers: MIL-S-16032 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 815-1853009 REV H TYPE IC/RH1-U (Naval Ship Systems Command), IC/RH1-U (Naval Ship Systems Command).

What NSN replaces 6680-01-168-5749?

There are 2 known substitutes for 6680-01-168-5749: 5930-00-890-2459, 5930-01-326-3866. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-16032?

Key specifications for MIL-S-16032: DC Voltage Rating: 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT; Power Cable Length: 300.000 INCHES NOMINAL IN; Overall Length: 3.312 INCHES NOMINAL IN; Electrical Connection Type: CABLE. 21 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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