PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35-4000-07Flask,dewar

J & H Berge, Inc. Dba Lab Mart, the Div the Labmart · NSN 6640-00-494-3968 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-494-3968 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-494-3968. Primary manufacturer part number: 35-4000-07.
Features
  • Flask,dewar — FSC 6640
  • Inside Length: 190.00 MILLIMETERS NOMINAL MM
  • Primary Container Unit Quantity: 1
  • Style Designator: VACUUM
  • Overall Outside Diameter: 80.00 MILLIMETERS NOMINAL MM
  • Primary Container Type: BOX
  • Inside Diameter: 70.00 MILLIMETERS NOMINAL MM
  • Capacity Rating: 665.000 MILLILITERS NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flask,dewar, cataloged under National Stock Number 6640-00-494-3968, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is J & H Berge, Inc. Dba Lab Mart, the Div the Labmart. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-494-3968
Primary Part Number35-4000-07
Item NameFlask,dewar
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerJ & H Berge, Inc. Dba Lab Mart, the Div the Labmart
StatusACTIVE
Inside Length190.00 MILLIMETERS NOMINAL MM
Primary Container Unit Quantity1
Style DesignatorVACUUM
Overall Outside Diameter80.00 MILLIMETERS NOMINAL MM
Primary Container TypeBOX
Inside Diameter70.00 MILLIMETERS NOMINAL MM
Capacity Rating665.000 MILLILITERS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-229-6981R36535 INTERCHANGEABLE
Valve,check
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
3433-01-389-99401-1130-2 INTERCHANGEABLE
Plasma Cutter,porta
Thermal Dynamics Corp
1990-01-657-5910158302 INTERCHANGEABLE
Arm
Hii Unmanned Systems, Inc
Cross-Reference Index
Part NumberManufacturer
35-4000-07 J & H Berge, Inc. Dba Lab Mart, the Div the Labmart (USA)
15830-2 Central Scientific Co Educational (USA)
MS36057-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
50800454 Fisher Scientific Company L.l.c. (USA)
14200-560 Vwr International, Llc Dba Vwr Scientific (USA)
Related Parts
4820-01-229-6981INTERCHANGEABLE
VALVE,CHECK
R36535
3433-01-389-9940INTERCHANGEABLE
PLASMA CUTTER,PORTA
1-1130-2
1990-01-657-5910INTERCHANGEABLE
ARM
158302

Frequently Asked Questions

What is NSN 6640-00-494-3968?

NSN 6640-00-494-3968 is a Flask,dewar, manufactured by J & H Berge, Inc. Dba Lab Mart, the Div the Labmart, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-494-3968?

NSN 6640-00-494-3968 has 5 cross-referenced part numbers: 35-4000-07 (J & H Berge, Inc. Dba Lab Mart, the Div the Labmart), 15830-2 (Central Scientific Co Educational), MS36057-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 50800454 (Fisher Scientific Company L.l.c.), 14200-560 (Vwr International, Llc Dba Vwr Scientific).

What NSN replaces 6640-00-494-3968?

There are 3 known substitutes for 6640-00-494-3968: 4820-01-229-6981, 3433-01-389-9940, 1990-01-657-5910. Verify interchangeability with system specifications before substitution.

What are the specifications of 35-4000-07?

Key specifications for 35-4000-07: Inside Length: 190.00 MILLIMETERS NOMINAL MM; Overall Height: 235.00 MILLIMETERS NOMINAL MM; Primary Container Unit Quantity: 1; Style Designator: VACUUM. 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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