PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CGW3120-250Desiccator,laboratory

A. Daigger and Company, Incorporated Dba Eta Hand2mind · NSN 6640-00-527-7342 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-527-7342 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-527-7342. Primary manufacturer part number: CGW3120-250.
Features
  • Desiccator,laboratory — FSC 6640
  • Primary Container Unit Quantity: 1
  • Closure Type Accommodated and Size Designation: 55/38 STANDARD TAPER STOPPER JOINT
  • Style Designator: EVACUATING, LARGE
  • Nondefinitive Spec/std Data: 1 TYPE AND 3 SIZE AND A GRADE
  • Primary Container Type: CASE
  • Inside Diameter: 250.00 MILLIMETERS NOMINAL MM
  • 8 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Desiccator,laboratory, cataloged under National Stock Number 6640-00-527-7342, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is A. Daigger and Company, Incorporated Dba Eta Hand2mind. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-527-7342
Primary Part NumberCGW3120-250
Item NameDesiccator,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerA. Daigger and Company, Incorporated Dba Eta Hand2mind
StatusCANCELLED
Primary Container Unit Quantity1
Closure Type Accommodated and Size Designation55/38 STANDARD TAPER STOPPER JOINT
Style DesignatorEVACUATING, LARGE
Nondefinitive Spec/std Data1 TYPE AND 3 SIZE AND A GRADE
Primary Container TypeCASE
Inside Diameter250.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6640-00-420-9150 INTERCHANGEABLE
Desiccator,laboratory
6640-00-420-9170 INTERCHANGEABLE
Plate,desiccator
6640-00-494-39613118-160 INTERCHANGEABLE
Desiccator,laboratory
Corning Glass Works
6640-00-870-20543120-250 INTERCHANGEABLE
Drying Apparatus,vacuum
Corning Glass Works
Cross-Reference Index
Part NumberManufacturer
08-631B Fisher Scientific Company L.l.c. (USA)
DD-D-205 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
3120SIZE250MM Corning Glass Works (USA)
MS36215-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
3120 Corning Glass Works (USA)
DD-D-205 TY1SZ3GRA General Services Administration Federal Supply Service (USA)
3120-250 Corning Glass Works (USA)
CGW3120-250 PRIMARY A. Daigger and Company, Incorporated Dba Eta Hand2mind (USA)
Related Parts
6640-00-420-9150INTERCHANGEABLE
DESICCATOR,LABORATORY
6640-00-420-9170INTERCHANGEABLE
PLATE,DESICCATOR
6640-00-494-3961INTERCHANGEABLE
DESICCATOR,LABORATORY
3118-160
6640-00-870-2054INTERCHANGEABLE
DRYING APPARATUS,VACUUM
3120-250

Frequently Asked Questions

What is NSN 6640-00-527-7342?

NSN 6640-00-527-7342 is a Desiccator,laboratory, manufactured by A. Daigger and Company, Incorporated Dba Eta Hand2mind, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-527-7342?

NSN 6640-00-527-7342 has 8 cross-referenced part numbers: 08-631B (Fisher Scientific Company L.l.c.), DD-D-205 (Federal Specifications Promulgated by General Services Administration Washington DC), 3120SIZE250MM (Corning Glass Works), MS36215-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 3120 (Corning Glass Works) and 3 more.

What NSN replaces 6640-00-527-7342?

There are 4 known substitutes for 6640-00-527-7342: 6640-00-420-9150, 6640-00-420-9170, 6640-00-494-3961 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CGW3120-250?

Key specifications for CGW3120-250: Primary Container Unit Quantity: 1; Closure Type Accommodated and Size Designation: 55/38 STANDARD TAPER STOPPER JOINT; Style Designator: EVACUATING, LARGE; Overall Height: 325.00 MILLIMETERS NOMINAL MM. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-527-7342 still in active supply?

NSN 6640-00-527-7342 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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