PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4563Float,meter,flow Rate Indicating

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 6680-01-487-0746 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-487-0746 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-487-0746. Primary manufacturer part number: 4563.
Features
  • Float,meter,flow Rate Indicating — FSC 6680
  • Material: ALUMINUM
  • Overall Diameter: 1.062 INCHES NOMINAL IN
  • Operating Pressure Range: +0.0 TO 300.0 POUNDS PER SQUARE INCH LBS
  • Shape: CYLINDRICAL
  • System for Which Designed: CLOSED
  • 2 verified cross-references
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • Applications requiring Aluminum construction
General Description

The Float,meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-487-0746, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-487-0746
Primary Part Number4563
Item NameFloat,meter,flow Rate Indicating
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
MaterialALUMINUM
Overall Diameter1.062 INCHES NOMINAL IN
Operating Pressure Range+0.0 TO 300.0 POUNDS PER SQUARE INCH LBS
ShapeCYLINDRICAL
System for Which DesignedCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-108-80112B5242 INTERCHANGEABLE
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5310-01-479-26074563 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
4563 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
4563-G02 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
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Frequently Asked Questions

What is NSN 6680-01-487-0746?

NSN 6680-01-487-0746 is a Float,meter,flow Rate Indicating, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-487-0746?

NSN 6680-01-487-0746 has 2 cross-referenced part numbers: 4563 (Howell Laboratories Inc Dba Howell Laboratories Inc), 4563-G02 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 6680-01-487-0746?

There are 7 known substitutes for 6680-01-487-0746: 3110-00-108-8011, 3110-00-117-0679, 2990-00-358-5767 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4563?

Key specifications for 4563: Material: ALUMINUM; Overall Diameter: 1.062 INCHES NOMINAL IN; Operating Pressure Range: +0.0 TO 300.0 POUNDS PER SQUARE INCH LBS; Shape: CYLINDRICAL. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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