PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6672A40Cover Glass,microscope Slide

Arthur H. Thomas Company · NSN 6640-01-126-4979 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-126-4979 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-126-4979. Primary manufacturer part number: 6672A40.
Features
  • Cover Glass,microscope Slide — FSC 6640
  • Material: GLASS
  • Unit Package Type: PACKAGE
  • Overall Thickness: 0.13 MILLIMETERS MINIMUM AND 0.17 MILLIMETERS MAXIMUM MM
  • 7 verified cross-references
  • Primary manufacturer: Arthur H. Thomas Company
Applications
  • Applications requiring Glass construction
General Description

The Cover Glass,microscope Slide, cataloged under National Stock Number 6640-01-126-4979, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Arthur H. Thomas Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-01-126-4979
Primary Part Number6672A40
Item NameCover Glass,microscope Slide
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerArthur H. Thomas Company
StatusCANCELLED
MaterialGLASS
Unit Package TypePACKAGE
Overall Thickness0.13 MILLIMETERS MINIMUM AND 0.17 MILLIMETERS MAXIMUM MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6640-00-058-53252935-244 INTERCHANGEABLE
Cover Glass,microscope Slide
Corning Glass Works
Cross-Reference Index
Part NumberManufacturer
6672A40 PRIMARY Arthur H. Thomas Company (USA)
431024X40B Allan Richard Medical (USA)
3321 Becton Dickinson Labware Div of Becton Dickinson and Co (USA)
H28018 Cd Acquisition Holdings Inc Dba Columbia Diagnostics (USA)
BDL3321 Daigger a & Co Daigger Scientific Div (USA)
BDL3321 PRIMARY A. Daigger and Company, Incorporated Dba Eta Hand2mind (USA)
GOLD SEAL Becton Dickinson Labware Div of Becton Dickinson and Co (USA)
Related Parts
6640-00-058-5325INTERCHANGEABLE
COVER GLASS,MICROSCOPE SLIDE
2935-244

Frequently Asked Questions

What is NSN 6640-01-126-4979?

NSN 6640-01-126-4979 is a Cover Glass,microscope Slide, manufactured by Arthur H. Thomas Company, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-01-126-4979?

NSN 6640-01-126-4979 has 7 cross-referenced part numbers: 6672A40 (Arthur H. Thomas Company), 431024X40B (Allan Richard Medical), 3321 (Becton Dickinson Labware Div of Becton Dickinson and Co), H28018 (Cd Acquisition Holdings Inc Dba Columbia Diagnostics), BDL3321 (Daigger a & Co Daigger Scientific Div) and 2 more.

What NSN replaces 6640-01-126-4979?

There is 1 known substitute for 6640-01-126-4979: 6640-00-058-5325. Verify interchangeability with system specifications before substitution.

What are the specifications of 6672A40?

Key specifications for 6672A40: Material: GLASS; Overall Length: 40.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: COVER GLASS MICROSCOPE SLIDE GLASS 40 X 24 MM MM; Unit Package Type: PACKAGE. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-01-126-4979 still in active supply?

NSN 6640-01-126-4979 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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