PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS36066-2Flask,filtering

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 6640-00-290-6944 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-290-6944 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-290-6944. Primary manufacturer part number: MS36066-2.
Features
  • Flask,filtering — FSC 6640
  • Closure Type Accommodated and Size Designation: 6 RUBBER STOPPER MOUTH
  • Nondefinitive Spec/std Data: V TYPE AND 2 SIZE
  • Style Designator: SMOOTH MOUTH W/SIDE TUBE
  • Capacity Rating: 250.000 MILLILITERS NOMINAL
  • Primary Container Type: BOX
  • Primary Container Unit Quantity: 1
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flask,filtering, cataloged under National Stock Number 6640-00-290-6944, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-290-6944
Primary Part NumberMS36066-2
Item NameFlask,filtering
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Closure Type Accommodated and Size Designation6 RUBBER STOPPER MOUTH
Nondefinitive Spec/std DataV TYPE AND 2 SIZE
Style DesignatorSMOOTH MOUTH W/SIDE TUBE
Capacity Rating250.000 MILLILITERS NOMINAL
Primary Container TypeBOX
Primary Container Unit Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6640-00-264-833126600-500 INTERCHANGEABLE
Flask,erlenmeyer
Gerresheimer Glass Inc Div Gerresheimer Glass
6640-00-279-2125421260 INTERCHANGEABLE
Flask,boiling
Corning Glass Works
6640-00-424-7100 INTERCHANGEABLE
Flask,erlenmeyer
6640-00-494-3854 INTERCHANGEABLE
Flask,filtering
6640-00-494-397035-6900-10 INTERCHANGEABLE
Flask,erlenmeyer
J & H Berge, Inc. Dba Lab Mart, the Div the Labmart
6640-00-935-4268 INTERCHANGEABLE
Flask,erlenmeyer
6640-00-935-4269 INTERCHANGEABLE
Flask,erlenmeyer
6640-00-935-4270 INTERCHANGEABLE
Flask,erlenmeyer
6640-00-935-4271 INTERCHANGEABLE
Flask,erlenmeyer
6640-00-935-4286 INTERCHANGEABLE
Flask,erlenmeyer
Cross-Reference Index
Part NumberManufacturer
MS36066-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NNNF00240 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6640-00-264-8331INTERCHANGEABLE
FLASK,ERLENMEYER
26600-500
6640-00-279-2125INTERCHANGEABLE
FLASK,BOILING
421260
6640-00-424-7100INTERCHANGEABLE
FLASK,ERLENMEYER
6640-00-494-3854INTERCHANGEABLE
FLASK,FILTERING
6640-00-494-3970INTERCHANGEABLE
FLASK,ERLENMEYER
35-6900-10
6640-00-935-4268INTERCHANGEABLE
FLASK,ERLENMEYER
6640-00-935-4269INTERCHANGEABLE
FLASK,ERLENMEYER
6640-00-935-4270INTERCHANGEABLE
FLASK,ERLENMEYER
6640-00-935-4271INTERCHANGEABLE
FLASK,ERLENMEYER
6640-00-935-4286INTERCHANGEABLE
FLASK,ERLENMEYER
6640-00-935-4287INTERCHANGEABLE
FLASK,ERLENMEYER
6640-00-935-4288INTERCHANGEABLE
FLASK,ERLENMEYER
4980-2L

Frequently Asked Questions

What is NSN 6640-00-290-6944?

NSN 6640-00-290-6944 is a Flask,filtering, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-290-6944?

NSN 6640-00-290-6944 has 2 cross-referenced part numbers: MS36066-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NNNF00240 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6640-00-290-6944?

There are 12 known substitutes for 6640-00-290-6944: 6640-00-264-8331, 6640-00-279-2125, 6640-00-424-7100 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS36066-2?

Key specifications for MS36066-2: Closure Type Accommodated and Size Designation: 6 RUBBER STOPPER MOUTH; Nondefinitive Spec/std Data: V TYPE AND 2 SIZE; Style Designator: SMOOTH MOUTH W/SIDE TUBE; Capacity Rating: 250.000 MILLILITERS NOMINAL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-290-6944 still in active supply?

NSN 6640-00-290-6944 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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