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NSN 6680-01-641-4222Government record, cited

Meter, Flow Rate Indicating6680-01-641-4222

NSN 6680-01-641-4222 · NIIN 016414222 · Part number B4A-6HV40
Lake Monitors Inc · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 1Q4Z8
Government record, cited
NSN 6680-01-641-4222 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-641-4222. Manufacturer of record part number: B4A-6HV40.
Also searched as  6680-01-641-4222 · 6680016414222 · NIIN 016414222 · 01-641-4222 · FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 1Q4Z8 · B4A-6HV40
Nearby stock numbers  ·
Features
  • Meter,flow Rate Indicating — FSC 6680
  • Inlet Connection Size: 3/4 INCH TO 1 INCH IN
  • Inlet Connection Type: THREADED
  • Maximum Air Capacity in Cubic Feet Per Minute: 400.0
  • Maximum Working Pressure: 3500.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Material: ALUMINUM TUBE
  • Media for Which Designed: 0IL
  • Maximum Water Capacity in Gallons Per Minute: 40.0
Identification
  • NSN: 6680-01-641-4222
  • NIIN: 016414222
  • FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: B4A-6HV40
  • Manufacturer: Lake Monitors Inc
General Description

The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-641-4222, 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 Lake Monitors Inc. 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
NSN6680-01-641-4222
Primary Part NumberB4A-6HV40
Item NameMeter,flow Rate Indicating
FSC / FSG6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
ManufacturerLake Monitors Inc
StatusACTIVE
Inlet Connection Size3/4 INCH TO 1 INCH IN
Inlet Connection TypeTHREADED
Maximum Air Capacity in Cubic Feet Per Minute400.0
Maximum Working Pressure3500.0 POUNDS PER SQUARE INCH (PSI) LBS
MaterialALUMINUM TUBE
Media for Which Designed0IL
Maximum Water Capacity in Gallons Per Minute40.0
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
B4A-6HV40 PRIMARY Lake Monitors Inc (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 6680-01-641-4222?

NSN 6680-01-641-4222 is a Meter,flow Rate Indicating, manufactured by Lake Monitors 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 6680-01-641-4222?

NSN 6680-01-641-4222 has 1 manufacturer part number on file: B4A-6HV40 (Lake Monitors Inc).

What are the specifications of B4A-6HV40?

Key specifications for B4A-6HV40: Inlet Connection Size: 3/4 INCH TO 1 INCH IN; Inlet Connection Type: THREADED; Maximum Air Capacity in Cubic Feet Per Minute: 400.0; Special Features: PORTING THREAD TYPE 1-INCH BSPP FEMALE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 6680-01-641-4222 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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