PartsTable TECHNICAL DATA SHEET
NSN 6680-01-552-3303Government record, cited

Indicator, Sight, Liquid6680-01-552-3303

NSN 6680-01-552-3303 · NIIN 015523303 · Part number T-LLG-5
Lenz Co · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 4K739
Government record, cited
NSN 6680-01-552-3303 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-552-3303. Manufacturer of record part number: T-LLG-5.
Also searched as  6680-01-552-3303 · 6680015523303 · NIIN 015523303 · 01-552-3303 · FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 4K739 · T-LLG-5 · 5231-004 · 5231-007
Nearby stock numbers  ·
Features
  • Indicator,sight,liquid — FSC 6680
  • 1 manufacturer part number on file
  • Manufacturer of record: Lenz Co
Identification
  • NSN: 6680-01-552-3303
  • NIIN: 015523303
  • FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: T-LLG-5
  • Manufacturer: Lenz Co
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-552-3303, 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 Lenz Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameIndicator,sight,liquid
FSC / FSG6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66)
ManufacturersLenz Co (CAGE 4K739)
Technical Specifications
ParameterValue
NSN6680-01-552-3303
Primary Part NumberT-LLG-5
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
ManufacturerLenz Co
StatusACTIVE
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
T-LLG-5 PRIMARY Lenz Co (USA)
Reference documents
ReferenceMeaning
5231-004 5/9 Secondary reference
Cemen Tech, Inc.
5231-007 5/9 Secondary reference
Cemen Tech, Inc.
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 6680-01-552-3303?

NSN 6680-01-552-3303 is a Indicator,sight,liquid, manufactured by Lenz Co, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.

What part numbers are listed for NSN 6680-01-552-3303?

NSN 6680-01-552-3303 has 1 manufacturer part number on file: T-LLG-5 (Lenz Co).

Is NSN 6680-01-552-3303 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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