PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

519397Meter,volumetric Positive Displa

A. O. Smith Corporation Dba a O Smith Corp · NSN 6680-00-844-4806 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-844-4806 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-844-4806. Primary manufacturer part number: 519397.
Features
  • Meter,volumetric Positive Displa — FSC 6680
  • Inlet Connection Size: 2.000 IN. NPT IN
  • Media for Which Designed: DIESEL FUEL AND JET FUELS
  • Reset Feature: PROVIDED
  • Outlet Union Connection: NOT PROVIDED
  • Material: IRON CAST BODY
  • Reference Number Differentiating Characteristics: WITH TWO 2 IN. TO 1-1/2 IN. THREADED BUSHING IN
  • Inlet Bolt Hole Quantity: 4
Applications
  • Applications requiring Iron Cast Body construction
General Description

The Meter,volumetric Positive Displa, cataloged under National Stock Number 6680-00-844-4806, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is A. O. Smith Corporation Dba a O Smith Corp. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-844-4806
Primary Part Number519397
Item NameMeter,volumetric Positive Displa
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerA. O. Smith Corporation Dba a O Smith Corp
StatusACTIVE
Inlet Connection Size2.000 IN. NPT IN
Media for Which DesignedDIESEL FUEL AND JET FUELS
Reset FeaturePROVIDED
Outlet Union ConnectionNOT PROVIDED
MaterialIRON CAST BODY
Reference Number Differentiating CharacteristicsWITH TWO 2 IN. TO 1-1/2 IN. THREADED BUSHING IN
Inlet Bolt Hole Quantity4
Smallest Increment Indicated0.01
Measurement UnitGALLON
Liquid Flow Rate100.0 GALLONS PER MINUTE NOMINAL
Inlet Connection TypeDRILLED FLANGE
Installation LocationANY ACCEPTABLE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Maximum Operating Temp150.0 FAHRENHEIT DEGF
Scale Measurement Range+0.0 TO 9999.0
Register TypeWHEEL
Displacement TypeROTOR
Printing MechanismNOT PROVIDED
Outlet Bolt Hole Quantity4
Inlet Union ConnectionNOT PROVIDED
Outlet Connection TypeDRILLED FLANGE
Installation DesignDIRECT MOUNT
Outlet Connection Size2.0 IN. NPT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-589-0535 INTERCHANGEABLE
Seal,plain
3110-00-914-3270519397 INTERCHANGEABLE
Bearing,ball,annular
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
1680-01-003-0893711171 INTERCHANGEABLE
Cover,thermal Lock
Hamilton Sundstrand Corporation
5930-01-115-591044MY29336 INTERCHANGEABLE
Switch,lock
Grayhill Inc
Cross-Reference Index
Part NumberManufacturer
519397 A. O. Smith Corporation Dba a O Smith Corp (USA)
519846-1 A. O. Smith Corporation Dba a O Smith Corp (USA)
71117-1 A. O. Smith Corporation Dba a O Smith Corp (USA)
MODEL T-11 A. O. Smith Corporation Dba a O Smith Corp (USA)
519397-1 A. O. Smith Corporation Dba a O Smith Corp (USA)
Related Parts
5330-00-589-0535INTERCHANGEABLE
SEAL,PLAIN
3110-00-914-3270INTERCHANGEABLE
BEARING,BALL,ANNULAR
519397
1680-01-003-0893INTERCHANGEABLE
COVER,THERMAL LOCK
711171
5930-01-115-5910INTERCHANGEABLE
SWITCH,LOCK
44MY29336

Frequently Asked Questions

What is NSN 6680-00-844-4806?

NSN 6680-00-844-4806 is a Meter,volumetric Positive Displa, manufactured by A. O. Smith Corporation Dba a O Smith Corp, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-844-4806?

NSN 6680-00-844-4806 has 5 cross-referenced part numbers: 519397 (A. O. Smith Corporation Dba a O Smith Corp), 519846-1 (A. O. Smith Corporation Dba a O Smith Corp), 71117-1 (A. O. Smith Corporation Dba a O Smith Corp), MODEL T-11 (A. O. Smith Corporation Dba a O Smith Corp), 519397-1 (A. O. Smith Corporation Dba a O Smith Corp).

What NSN replaces 6680-00-844-4806?

There are 4 known substitutes for 6680-00-844-4806: 5330-00-589-0535, 3110-00-914-3270, 1680-01-003-0893 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 519397?

Key specifications for 519397: Inlet Connection Size: 2.000 IN. NPT IN; Media for Which Designed: DIESEL FUEL AND JET FUELS; Reset Feature: PROVIDED; Outlet Union Connection: NOT PROVIDED. 23 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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