PartsTable TECHNICAL DATA SHEET
NSN 6680-01-641-6293Government record, cited

Transmitter, Liquid Quantity6680-01-641-6293

NSN 6680-01-641-6293 · NIIN 016416293 · Part number S5U-21
Kus Usa, Inc. Dba Kus · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 6V6U1
Government record, cited
NSN 6680-01-641-6293 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-641-6293. Manufacturer of record part number: S5U-21.
Also searched as  6680-01-641-6293 · 6680016416293 · NIIN 016416293 · 01-641-6293 · FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 6V6U1 · S5U-21
Nearby stock numbers  ·
Features
  • Transmitter,liquid Quantity — FSC 6680
  • Actuation Method: FLOAT RHEOSTAT
  • Terminal Quantity: 2
  • Terminal Type: WIRE LEAD
  • Mechanical Connection Type: EXTERNAL THREAD
  • 1 manufacturer part number on file
  • Manufacturer of record: Kus Usa, Inc. Dba Kus
Identification
  • NSN: 6680-01-641-6293
  • NIIN: 016416293
  • FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: S5U-21
  • Manufacturer: Kus Usa, Inc. Dba Kus
General Description

The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-01-641-6293, 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 Kus Usa, Inc. Dba Kus. Government technical data includes 4 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-641-6293
Primary Part NumberS5U-21
Item NameTransmitter,liquid Quantity
FSC / FSG6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
ManufacturerKus Usa, Inc. Dba Kus
StatusACTIVE
Actuation MethodFLOAT RHEOSTAT
Terminal Quantity2
Terminal TypeWIRE LEAD
Mechanical Connection TypeEXTERNAL THREAD
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
S5U-21 PRIMARY Kus Usa, Inc. Dba Kus (USA)
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 6680-01-641-6293?

NSN 6680-01-641-6293 is a Transmitter,liquid Quantity, manufactured by Kus Usa, Inc. Dba Kus, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.

What part numbers are listed for NSN 6680-01-641-6293?

NSN 6680-01-641-6293 has 1 manufacturer part number on file: S5U-21 (Kus Usa, Inc. Dba Kus).

What are the specifications of S5U-21?

Key specifications for S5U-21: Actuation Method: FLOAT RHEOSTAT; Terminal Quantity: 2; Terminal Type: WIRE LEAD; Mechanical Connection Type: EXTERNAL THREAD. 4 specifications are documented in the U.S. Government catalog.

Is NSN 6680-01-641-6293 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.
PartsTable Design LLC · partstable.com