PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3700-1Gage,liquid Quantity,float Type

Barker Rockford Co, the Dba Heco Div Div Heco Division · NSN 6680-00-242-0117 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-242-0117 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-242-0117. Primary manufacturer part number: 3700-1.
Features
  • Gage,liquid Quantity,float Type — FSC 6680
  • Mounting Hole Diameter: 0.313 INCHES IN
  • Flange Length: 17.688 INCHES IN
  • Float Guide Wire: NOT PROVIDED
  • Length: 0.062 FEET FT
  • Depth: 6.750 INCHES IN
  • Float Protective Case: PROVIDED
  • Oil Seal: NOT PROVIDED
Applications
  • Applications requiring Steel Corrosion Resisting Float construction
General Description

The Gage,liquid Quantity,float Type, cataloged under National Stock Number 6680-00-242-0117, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Barker Rockford Co, the Dba Heco Div Div Heco Division. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN6680-00-242-0117
Primary Part Number3700-1
Item NameGage,liquid Quantity,float Type
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerBarker Rockford Co, the Dba Heco Div Div Heco Division
StatusACTIVE
Mounting Hole Diameter0.313 INCHES IN
Flange Length17.688 INCHES IN
Float Guide WireNOT PROVIDED
Length0.062 FEET FT
Depth6.750 INCHES IN
Float Protective CasePROVIDED
Oil SealNOT PROVIDED
MaterialSTEEL CORROSION RESISTING FLOAT
Scale TypeSTATIONARY
Flange Width5.750 INCHES IN
Indicator TypeTAPE
Scale Smallest Increment3.000 GALLONS
Mounting Hole Quantity4
Mounting MethodFLUSH PANEL
Scale Largest Increment30.0 METERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-204-6911 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-259-681037001 INTERCHANGEABLE
Connector,receptacle,electrical
Beta Labs Inc a-B and Millen Mfg Div
5955-00-455-4435 INTERCHANGEABLE
Crystal Unit,quartz
7490-00-955-508237001 INTERCHANGEABLE
Screw,clutch Adjust
Pitney Bowes Inc.
2940-00-966-57995846 INTERCHANGEABLE
Band Bracket Assembly
Cummins Inc.
5950-01-032-0050 INTERCHANGEABLE
Coil,radio Frequency
7520-01-360-774237001 INTERCHANGEABLE
Pen,plastic Tip
Sanford Corp
4820-01-365-16263700-1 INTERCHANGEABLE
Valve Assembly
Eaton Aerospace Llc Sterer Engineering Morgan Actuators
7520-01-708-981437001 INTERCHANGEABLE
Marker,tube Type
Newell Corporation Dba Newell Roofing
Cross-Reference Index
Part NumberManufacturer
3700-1 PRIMARY Barker Rockford Co, the Dba Heco Div Div Heco Division (USA)
Related Parts
5935-00-204-6911INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-259-6810INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
37001
5955-00-455-4435INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
7490-00-955-5082INTERCHANGEABLE
SCREW,CLUTCH ADJUST
37001
2940-00-966-5799INTERCHANGEABLE
BAND BRACKET ASSEMBLY
5846
5950-01-032-0050INTERCHANGEABLE
COIL,RADIO FREQUENCY
7520-01-360-7742INTERCHANGEABLE
PEN,PLASTIC TIP
37001
4820-01-365-1626INTERCHANGEABLE
VALVE ASSEMBLY
3700-1
7520-01-708-9814INTERCHANGEABLE
MARKER,TUBE TYPE
37001

Frequently Asked Questions

What is NSN 6680-00-242-0117?

NSN 6680-00-242-0117 is a Gage,liquid Quantity,float Type, manufactured by Barker Rockford Co, the Dba Heco Div Div Heco Division, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-242-0117?

NSN 6680-00-242-0117 has 1 cross-referenced part number: 3700-1 (Barker Rockford Co, the Dba Heco Div Div Heco Division).

What NSN replaces 6680-00-242-0117?

There are 9 known substitutes for 6680-00-242-0117: 5935-00-204-6911, 5935-00-259-6810, 5955-00-455-4435 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3700-1?

Key specifications for 3700-1: Mounting Hole Diameter: 0.313 INCHES IN; Flange Length: 17.688 INCHES IN; Float Guide Wire: NOT PROVIDED; Special Features: POLE ROD GUIDED FLOAT IN TEMPERED TUBE W/300 PSIG RATING,GROUNDED ROD,PORM 2 PCT ACCURACY AT FULL SCALE. 18 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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