PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4768-G502Meter,flow Rate Indicating

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 6680-01-207-0641 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-207-0641 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-207-0641. Primary manufacturer part number: 4768-G502.
Features
  • Meter,flow Rate Indicating — FSC 6680
  • Media for Which Designed: LIQUID
  • Scale Quantity: 1
  • Construction: INCLOSED W/SIGHT WINDOW
  • Metering Tube Quantity: 1
  • Inlet Connection Size: 0.250 IN. NPT IN
  • Spinning Float: NOT INCLUDED
  • Carrying Handle: NOT INCLUDED
Applications
  • Applications requiring Glass Tube construction
General Description

The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-207-0641, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-207-0641
Primary Part Number4768-G502
Item NameMeter,flow Rate Indicating
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Media for Which DesignedLIQUID
Scale Quantity1
ConstructionINCLOSED W/SIGHT WINDOW
Metering Tube Quantity1
Inlet Connection Size0.250 IN. NPT IN
Spinning FloatNOT INCLUDED
Carrying HandleNOT INCLUDED
Float TypeFREE
Integral Heat SourceNOT INCLUDED
Outlet Connection Size0.250 IN. NPT IN
BaseNOT INCLUDED
Maximum Working Pressure250.0 POUNDS PER SQUARE INCH (PSI) LBS
Inlet Connection Device TypeSTATIONARY
Dial Scale Marking Range+0.0 TO 100.0
Dial Scale Reference PointerNOT INCLUDED
Outlet Connection Device TypeSTATIONARY
Mounting MethodDIRECT LINE
Integral Pulsation DampenerNOT INCLUDED
Alarm SignalNOT INCLUDED
Outlet Connection Position for Which DesignedHORIZONTAL
Inlet Connection Position for Which DesignedHORIZONTAL
MaterialGLASS TUBE
Design TypeCASE
Integral Relief ValveINCLUDED
Scale TypeDIRECT CAPACITY READING
Unable to DecodeUNABLE TO DECODE
Meter TypeFLOAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6680-01-135-98054768-G501 INTERCHANGEABLE
Meter,flow Rate Indicating
Howell Laboratories Inc Dba Howell Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
10A3137M Fischer and Porter Co (USA)
4768-G502 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
10A6131M Fischer and Porter Co (USA)
Related Parts
6680-01-135-9805INTERCHANGEABLE
METER,FLOW RATE INDICATING
4768-G501

Frequently Asked Questions

What is NSN 6680-01-207-0641?

NSN 6680-01-207-0641 is a 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 6680-01-207-0641?

NSN 6680-01-207-0641 has 3 cross-referenced part numbers: 10A3137M (Fischer and Porter Co), 4768-G502 (Howell Laboratories Inc Dba Howell Laboratories Inc), 10A6131M (Fischer and Porter Co).

What NSN replaces 6680-01-207-0641?

There is 1 known substitute for 6680-01-207-0641: 6680-01-135-9805. Verify interchangeability with system specifications before substitution.

What are the specifications of 4768-G502?

Key specifications for 4768-G502: Media for Which Designed: LIQUID; Scale Quantity: 1; Construction: INCLOSED W/SIGHT WINDOW; Metering Tube Quantity: 1. 30 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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