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NSN 6680-00-028-6855Government record, cited

Indicator, Sight, Liquid6680-00-028-6855

NSN 6680-00-028-6855 · NIIN 000286855 · Part number R71A04S
Kerotest Manufacturing Corp. · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 33334
Government record, cited
NSN 6680-00-028-6855 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-028-6855. Manufacturer of record part number: R71A04S.
Also searched as  6680-00-028-6855 · 6680000286855 · NIIN 000286855 · 00-028-6855 · FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 33334 · R71A04S
Nearby stock numbers  ·
Features
  • Indicator,sight,liquid — FSC 6680
  • Tube Outside Diameter for Which Designed: UNABLE TO DECODE
  • Overall Diameter: 2.313 INCHES NOMINAL IN
  • End Connection Type: UNABLE TO DECODE
  • Style Designator: SINGLE PORT W/CAP
  • Features Provided: PORT SEAL CAP
  • Material: COPPER ALLOY
  • Sight Diameter: 0.750 INCHES NOMINAL IN
Identification
  • NSN: 6680-00-028-6855
  • NIIN: 000286855
  • FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: R71A04S
  • Manufacturer: Kerotest Manufacturing Corp.
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-028-6855, 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 Kerotest Manufacturing Corp.. Government technical data includes 7 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
NSN6680-00-028-6855
Primary Part NumberR71A04S
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
ManufacturerKerotest Manufacturing Corp.
StatusACTIVE
Tube Outside Diameter for Which DesignedUNABLE TO DECODE
Overall Diameter2.313 INCHES NOMINAL IN
End Connection TypeUNABLE TO DECODE
Style DesignatorSINGLE PORT W/CAP
Features ProvidedPORT SEAL CAP
MaterialCOPPER ALLOY
Sight Diameter0.750 INCHES NOMINAL IN
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
R71A04S PRIMARY Kerotest Manufacturing Corp. (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 6680-00-028-6855?

NSN 6680-00-028-6855 is a Indicator,sight,liquid, manufactured by Kerotest Manufacturing Corp., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.

What part numbers are listed for NSN 6680-00-028-6855?

NSN 6680-00-028-6855 has 1 manufacturer part number on file: R71A04S (Kerotest Manufacturing Corp.).

What are the specifications of R71A04S?

Key specifications for R71A04S: Overall Height: 1.500 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: UNABLE TO DECODE; Overall Diameter: 2.313 INCHES NOMINAL IN; End Connection Type: UNABLE TO DECODE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 6680-00-028-6855 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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