PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS36068-2Flask,volumetric

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 6640-00-425-4000 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-425-4000 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-425-4000. Primary manufacturer part number: MS36068-2.
Features
  • Flask,volumetric — FSC 6640
  • Total Primary Container Quantity: 1
  • Primary Container Unit Quantity: 1
  • Nondefinitive Spec/std Data: I TYPE AND A CLASS AND 1 STYLE
  • Style Designator: STOPPERED MOUTH
  • Primary Container Type: CARTON
  • Calibration Function: TO CONTAIN
  • Accuracy Certifier: NATIONAL BUREAU OF STANDARDS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flask,volumetric, cataloged under National Stock Number 6640-00-425-4000, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN6640-00-425-4000
Primary Part NumberMS36068-2
Item NameFlask,volumetric
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Total Primary Container Quantity1
Primary Container Unit Quantity1
Nondefinitive Spec/std DataI TYPE AND A CLASS AND 1 STYLE
Style DesignatorSTOPPERED MOUTH
Primary Container TypeCARTON
Calibration FunctionTO CONTAIN
Accuracy CertifierNATIONAL BUREAU OF STANDARDS
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
Unable to DecodeUNABLE TO DECODE
Capacity Rating24.970 MILLILITERS MINIMUM AND 25.030 MILLILITERS MAXIMUM
Graduation Marking MethodETCHED OR FIRED STAIN OR GRIT BLASTED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6640-00-051-5127 INTERCHANGEABLE
Flask,volumetric
4720-00-235-4131 INTERCHANGEABLE
Hose Assembly,nonmetallic
2910-00-424-766946589D INTERCHANGEABLE
Filter Element,fluid
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
6640-00-425-50002801750 INTERCHANGEABLE
Flask,volumetric
Gerresheimer Glass Inc Div Gerresheimer Glass
6640-00-425-6000 INTERCHANGEABLE
Flask,volumetric
6640-00-425-700029619-063 INTERCHANGEABLE
Flask,volumetric
Vwr International, Llc Dba Vwr Scientific
6640-00-425-8000 INTERCHANGEABLE
Flask,volumetric
6640-00-425-90005640-1L INTERCHANGEABLE
Flask,volumetric
Corning Glass Works
6640-00-426-000028014-2000 INTERCHANGEABLE
Flask,volumetric
Gerresheimer Glass Inc Div Gerresheimer Glass
3120-00-571-5801149-208-120-100-000 INTERCHANGEABLE
Bushing,sleeve
Emerson Automation Solutions Final Control Us Lp
Cross-Reference Index
Part NumberManufacturer
MS36068-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NNN-F-289 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NNN-F-289 TY1ST1CLA General Services Administration Federal Supply Service (USA)
20-812 Fisher Scientific Worldwide (USA)
Related Parts
6640-00-051-5127INTERCHANGEABLE
FLASK,VOLUMETRIC
4720-00-235-4131INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2910-00-424-7669INTERCHANGEABLE
FILTER ELEMENT,FLUID
46589D
6640-00-425-5000INTERCHANGEABLE
FLASK,VOLUMETRIC
2801750
6640-00-425-6000INTERCHANGEABLE
FLASK,VOLUMETRIC
6640-00-425-7000INTERCHANGEABLE
FLASK,VOLUMETRIC
29619-063
6640-00-425-8000INTERCHANGEABLE
FLASK,VOLUMETRIC
6640-00-425-9000INTERCHANGEABLE
FLASK,VOLUMETRIC
5640-1L
6640-00-426-0000INTERCHANGEABLE
FLASK,VOLUMETRIC
28014-2000
3120-00-571-5801INTERCHANGEABLE
BUSHING,SLEEVE
149-208-120-100-000
5940-00-673-1024INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-804-2
5310-00-676-8098INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 6640-00-425-4000?

NSN 6640-00-425-4000 is a Flask,volumetric, 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 6640-00-425-4000?

NSN 6640-00-425-4000 has 4 cross-referenced part numbers: MS36068-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NNN-F-289 (Federal Specifications Promulgated by General Services Administration Washington DC), NNN-F-289 TY1ST1CLA (General Services Administration Federal Supply Service), 20-812 (Fisher Scientific Worldwide).

What NSN replaces 6640-00-425-4000?

There are 12 known substitutes for 6640-00-425-4000: 6640-00-051-5127, 4720-00-235-4131, 2910-00-424-7669 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS36068-2?

Key specifications for MS36068-2: Total Primary Container Quantity: 1; Primary Container Unit Quantity: 1; Nondefinitive Spec/std Data: I TYPE AND A CLASS AND 1 STYLE; Style Designator: STOPPERED MOUTH. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-425-4000 still in active supply?

NSN 6640-00-425-4000 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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