PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45639Transmitter,liquid Quantity

Setra Systems, Inc. Dba Gems Sensors · NSN 6680-01-111-8690 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-111-8690 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-111-8690. Primary manufacturer part number: 45639.
Features
  • Transmitter,liquid Quantity — FSC 6680
  • Attachment Feature Quantity: 2
  • Mounting Method: BRACKET(S)
  • Electrical Connection Identifying Number: PART NO. 36468
  • Connector Controlling Agency: CANNON ELECTRIC
  • Voltage Rating: 10.0 VOLTS MINIMUM AND 12.0 VOLTS MAXIMUM
  • Current Type: DC
  • Terminal Type: STUD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-01-111-8690, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 10 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-111-8690
Primary Part Number45639
Item NameTransmitter,liquid Quantity
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Attachment Feature Quantity2
Mounting MethodBRACKET(S)
Electrical Connection Identifying NumberPART NO. 36468
Connector Controlling AgencyCANNON ELECTRIC
Voltage Rating10.0 VOLTS MINIMUM AND 12.0 VOLTS MAXIMUM
Current TypeDC
Terminal TypeSTUD
Actuation MethodFLOAT
Electrical Connection Quantity1
Terminal Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3020-00-088-887275168 INTERCHANGEABLE
Gear Set,spur,matched
Triumph Engine Control Systems Llc
6220-00-169-25679B7176 INTERCHANGEABLE
Lens,light
Caterpillar Inc Div Caterpillar Defense
5945-00-701-483645639 INTERCHANGEABLE
Cover,electrical Relay
L3harris Technologies, Inc Div Space & Airborne Systems
5950-00-789-807945639 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc. Div Space and Airborne Systems
5133-01-398-243445639 INTERCHANGEABLE
Drill Set,twist
Greenfield Industries Inc
5950-01-413-02342036AS011-01 INTERCHANGEABLE
Transformer,radio Frequency
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4810-01-419-253445639 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5110-01-617-053545-639 INTERCHANGEABLE
Stripper,cable,hand
Ideal Industries Inc
5307-01-691-423332537 INTERCHANGEABLE
Stud,continuous Thread
All America Threaded Products, Inc. Div Rocky Mountain
Cross-Reference Index
Part NumberManufacturer
45639 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
XM-36485-32-2000-O-L Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
3020-00-088-8872INTERCHANGEABLE
GEAR SET,SPUR,MATCHED
75168
6220-00-169-2567INTERCHANGEABLE
LENS,LIGHT
9B7176
5945-00-701-4836INTERCHANGEABLE
COVER,ELECTRICAL RELAY
45639
5950-00-789-8079INTERCHANGEABLE
REACTOR
45639
5133-01-398-2434INTERCHANGEABLE
DRILL SET,TWIST
45639
5950-01-413-0234INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
2036AS011-01
4810-01-419-2534INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
45639
5110-01-617-0535INTERCHANGEABLE
STRIPPER,CABLE,HAND
45-639
5307-01-691-4233INTERCHANGEABLE
STUD,CONTINUOUS THREAD
32537

Frequently Asked Questions

What is NSN 6680-01-111-8690?

NSN 6680-01-111-8690 is a Transmitter,liquid Quantity, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-111-8690?

NSN 6680-01-111-8690 has 2 cross-referenced part numbers: 45639 (Setra Systems, Inc. Dba Gems Sensors), XM-36485-32-2000-O-L (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 6680-01-111-8690?

There are 9 known substitutes for 6680-01-111-8690: 3020-00-088-8872, 6220-00-169-2567, 5945-00-701-4836 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45639?

Key specifications for 45639: Overall Length: 42.750 INCHES NOMINAL IN; Attachment Feature Quantity: 2; Mounting Method: BRACKET(S); Electrical Connection Identifying Number: PART NO. 36468. 11 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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