PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DDF825TYPE2CLASSAFunnel,separatory

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6640-00-426-9000 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-426-9000 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-426-9000. Primary manufacturer part number: DDF825TYPE2CLASSA.
Features
  • Funnel,separatory — FSC 6640
  • Nondefinitive Spec/std Data: 2 TYPE AND A CLASS
  • Style Designator: CYLINDRICAL , W/ STOPPER AND STOPCOCK
  • Linear Expansion Coefficient Per Deg Celsius: 0.0000033
  • Stem Length: 65.0 MILLIMETERS NOMINAL MM
  • Stopper: INCLUDED
  • Load Capacity: 60.0 MILLILITERS
  • Linear Expansion Coefficient Temp Range in Deg Celsius: +0.0 TO 300.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Funnel,separatory, cataloged under National Stock Number 6640-00-426-9000, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN6640-00-426-9000
Primary Part NumberDDF825TYPE2CLASSA
Item NameFunnel,separatory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nondefinitive Spec/std Data2 TYPE AND A CLASS
Style DesignatorCYLINDRICAL , W/ STOPPER AND STOPCOCK
Linear Expansion Coefficient Per Deg Celsius0.0000033
Stem Length65.0 MILLIMETERS NOMINAL MM
StopperINCLUDED
Load Capacity60.0 MILLILITERS
Linear Expansion Coefficient Temp Range in Deg Celsius+0.0 TO 300.0
Top Size13 OR 16 STD TAPER TOP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6640-00-290-6900 INTERCHANGEABLE
Funnel,separatory
Cross-Reference Index
Part NumberManufacturer
DDF825TYPE2CLASSA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35949-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6640-00-290-6900INTERCHANGEABLE
FUNNEL,SEPARATORY

Frequently Asked Questions

What is NSN 6640-00-426-9000?

NSN 6640-00-426-9000 is a Funnel,separatory, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-426-9000?

NSN 6640-00-426-9000 has 2 cross-referenced part numbers: DDF825TYPE2CLASSA (Federal Specifications Promulgated by General Services Administration Washington DC), MS35949-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6640-00-426-9000?

There is 1 known substitute for 6640-00-426-9000: 6640-00-290-6900. Verify interchangeability with system specifications before substitution.

What are the specifications of DDF825TYPE2CLASSA?

Key specifications for DDF825TYPE2CLASSA: Nondefinitive Spec/std Data: 2 TYPE AND A CLASS; Style Designator: CYLINDRICAL , W/ STOPPER AND STOPCOCK; Linear Expansion Coefficient Per Deg Celsius: 0.0000033; Stem Length: 65.0 MILLIMETERS NOMINAL MM. 8 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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