PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78666Transmitter,liquid Quantity

Setra Systems, Inc. Dba Gems Sensors · NSN 6680-01-239-4178 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-239-4178 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-239-4178. Primary manufacturer part number: 78666.
Features
  • Transmitter,liquid Quantity — FSC 6680
  • Attachment Feature Quantity: 1
  • Mechanical Connection Size: 5 IN. DIA IN
  • Mechanical Connection Type: FLANGE
  • Current Type: DC
  • Float Effective Travel: 8.500 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN
  • Terminal Type: CONNECTOR, RECEPTACLE
  • Voltage Rating: 10.0 VOLTS MINIMUM AND 12.0 VOLTS MAXIMUM
Applications
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Float construction
General Description

The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-01-239-4178, 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 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-239-4178
Primary Part Number78666
Item NameTransmitter,liquid Quantity
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Attachment Feature Quantity1
Mechanical Connection Size5 IN. DIA IN
Mechanical Connection TypeFLANGE
Current TypeDC
Float Effective Travel8.500 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN
Terminal TypeCONNECTOR, RECEPTACLE
Voltage Rating10.0 VOLTS MINIMUM AND 12.0 VOLTS MAXIMUM
Actuation MethodFLOAT
Mechanical Connection Quantity1
Electrical Connection Quantity1
Mounting MethodFLANGE
Pressure Rating1.000 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 225.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Resistance in Ohms1500.000 PER INCH OF INDICATION
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOAT
Media for Which DesignedOIL OR WATER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-00-021-2415 INTERCHANGEABLE
File,rotary
5331-00-263-8030MS29512-06 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
78666 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
XM-36470-7-1500-W-30-BN-3/4 Setra Systems, Inc. Dba Gems Sensors (USA)
XM-36470-7-1500-O-30-BN-3/4 Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
3455-00-021-2415INTERCHANGEABLE
FILE,ROTARY
5331-00-263-8030INTERCHANGEABLE
O-RING
MS29512-06

Frequently Asked Questions

What is NSN 6680-01-239-4178?

NSN 6680-01-239-4178 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 6680-01-239-4178?

NSN 6680-01-239-4178 has 3 cross-referenced part numbers: 78666 (Setra Systems, Inc. Dba Gems Sensors), XM-36470-7-1500-W-30-BN-3/4 (Setra Systems, Inc. Dba Gems Sensors), XM-36470-7-1500-O-30-BN-3/4 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 6680-01-239-4178?

There are 2 known substitutes for 6680-01-239-4178: 3455-00-021-2415, 5331-00-263-8030. Verify interchangeability with system specifications before substitution.

What are the specifications of 78666?

Key specifications for 78666: Attachment Feature Quantity: 1; Mechanical Connection Size: 5 IN. DIA IN; Mechanical Connection Type: FLANGE; Current Type: DC. 16 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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