PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-437Float,sight Indicator

Rochester Sensors, Llc · NSN 6680-01-495-8446 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-495-8446 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-495-8446. Primary manufacturer part number: 6-437.
Features
  • Float,sight Indicator — FSC 6680
  • Shape: CYLINDRICAL
  • Material: RUBBER
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • System for Which Designed: CLOSED
  • 1 verified cross-reference
  • Primary manufacturer: Rochester Sensors, Llc
Applications
  • Applications requiring Rubber construction
General Description

The Float,sight Indicator, cataloged under National Stock Number 6680-01-495-8446, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rochester Sensors, Llc. Government technical data includes 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-495-8446
Primary Part Number6-437
Item NameFloat,sight Indicator
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerRochester Sensors, Llc
StatusACTIVE
ShapeCYLINDRICAL
MaterialRUBBER
Overall Diameter1.250 INCHES NOMINAL IN
System for Which DesignedCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-083-71876437 INTERCHANGEABLE
Gasket
Finn Corp Dba Finn Corp
5915-00-306-4091405AS110-4 INTERCHANGEABLE
Filter,band Pass
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5950-00-761-1008 INTERCHANGEABLE
Transformer,power
5950-00-793-80826437 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5960-00-800-5552 INTERCHANGEABLE
Electron Tube
5950-00-807-7546743823-7 INTERCHANGEABLE
Coil,radio Frequency
L3harris Cincinnati Electronics Corporation
5930-00-905-72246437-2 INTERCHANGEABLE
Switch,pressure
Horizon Aerospace Llc Dba Transicoil
6550-01-214-53476437 INTERCHANGEABLE
Reference Standard Set,aspartate
Miles Incdiagnostics Div
5945-01-260-374041004466 INTERCHANGEABLE
Solenoid,electrical
Woodward Hrt Inc
5310-01-289-6499 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
6-437 Rochester Sensors, Llc (USA)
Related Parts
5330-00-083-7187INTERCHANGEABLE
GASKET
6437
5915-00-306-4091INTERCHANGEABLE
FILTER,BAND PASS
405AS110-4
5950-00-761-1008INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-793-8082INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6437
5960-00-800-5552INTERCHANGEABLE
ELECTRON TUBE
5950-00-807-7546INTERCHANGEABLE
COIL,RADIO FREQUENCY
743823-7
5930-00-905-7224INTERCHANGEABLE
SWITCH,PRESSURE
6437-2
6550-01-214-5347INTERCHANGEABLE
REFERENCE STANDARD SET,ASPARTATE
6437
5945-01-260-3740INTERCHANGEABLE
SOLENOID,ELECTRICAL
41004466
5310-01-289-6499INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6530-01-376-7716INTERCHANGEABLE
COMMODE,HOSPITAL PATIENT
2940-01-443-2900INTERCHANGEABLE
FILTER ELEMENT,FLUID
46437

Frequently Asked Questions

What is NSN 6680-01-495-8446?

NSN 6680-01-495-8446 is a Float,sight Indicator, manufactured by Rochester Sensors, Llc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-495-8446?

NSN 6680-01-495-8446 has 1 cross-referenced part number: 6-437 (Rochester Sensors, Llc).

What NSN replaces 6680-01-495-8446?

There are 12 known substitutes for 6680-01-495-8446: 5330-00-083-7187, 5915-00-306-4091, 5950-00-761-1008 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-437?

Key specifications for 6-437: Overall Length: 2.750 INCHES NOMINAL IN; Special Features: MATERIAL OF NITROPHYL; .161" HOLE DIAMETER; NHA IS NSN 6680-01-495-8255; Shape: CYLINDRICAL; Material: RUBBER. 7 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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