PartsTable TECHNICAL DATA SHEET
NSN 6680-01-389-5897Government record, cited

Switch, Liquid Level6680-01-389-5897

NSN 6680-01-389-5897 · NIIN 013895897 · Part number 20-611-DO
Compac Engineering Inc · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 26851
Government record, cited
NSN 6680-01-389-5897 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-389-5897. Manufacturer of record part number: 20-611-DO.
Also searched as  6680-01-389-5897 · 6680013895897 · NIIN 013895897 · 01-389-5897 · FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 26851 · 20-611-DO · SK8841
Nearby stock numbers  ·
Features
  • Switch,liquid Level — FSC 6680
  • Actuation Method: BUOYANCY
  • Liquid Type for Which Designed: WATER
  • 1 manufacturer part number on file
  • Manufacturer of record: Compac Engineering Inc
Identification
  • NSN: 6680-01-389-5897
  • NIIN: 013895897
  • FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: 20-611-DO
  • Manufacturer: Compac Engineering Inc
General Description

The Switch,liquid Level, cataloged under National Stock Number 6680-01-389-5897, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Compac Engineering Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-389-5897
Primary Part Number20-611-DO
Item NameSwitch,liquid Level
FSC / FSG6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
ManufacturerCompac Engineering Inc
StatusACTIVE
Actuation MethodBUOYANCY
Liquid Type for Which DesignedWATER
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
20-611-DO PRIMARY Compac Engineering Inc (USA)
Reference documents
ReferenceMeaning
SK8841 D/9 Drawing number reference only
U.S. Government activity
No interchangeability data on file.
Other items in FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6680-00-000-0189
TRANSMITTER,LIQUID QUANTITY
6680-00-001-1478
GAGE ROD-CAP,LIQUID LEVEL
6680-00-001-1502
6680-00-001-1502 · Item name not on file
6680-00-001-1506
6680-00-001-1506 · Item name not on file
6680-00-001-1511
GAGE ROD,LIQUID LEVEL
6680-00-001-3672
COUNTER,ROTATING
6680-00-001-3675
INDICATOR,SIGHT,LIQUID
6680-00-001-4170
COUNTER,ROTATING

Frequently Asked Questions

What is NSN 6680-01-389-5897?

NSN 6680-01-389-5897 is a Switch,liquid Level, manufactured by Compac Engineering Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.

What part numbers are listed for NSN 6680-01-389-5897?

NSN 6680-01-389-5897 has 1 manufacturer part number on file: 20-611-DO (Compac Engineering Inc).

What are the specifications of 20-611-DO?

Key specifications for 20-611-DO: Actuation Method: BUOYANCY; Liquid Type for Which Designed: WATER; End Item Identification: WATER JET MODEL WBD-150N;USED WITH RECYCLING UNIT.. 2 specifications are documented in the U.S. Government catalog.

Is NSN 6680-01-389-5897 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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