PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

234050Tubing,glass

Corning Glass Works · NSN 6640-00-245-7128 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-245-7128 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-245-7128. Primary manufacturer part number: 234050.
Features
  • Tubing,glass — FSC 6640
  • Material Transparency: CLEAR
  • Overall Diameter: 5.000 MILLIMETERS NOMINAL MM
  • Material: GLASS
  • Nondefinitive Spec/std Data: I TYPE
  • Style Designator: TUBING
  • Material Document and Classification: DD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
  • Environmental Protection: CHEMICAL RESISTANT AND SHOCK PROOF
Applications
  • Applications requiring Glass construction
General Description

The Tubing,glass, cataloged under National Stock Number 6640-00-245-7128, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Corning Glass Works. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-245-7128
Primary Part Number234050
Item NameTubing,glass
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerCorning Glass Works
StatusACTIVE
Material TransparencyCLEAR
Overall Diameter5.000 MILLIMETERS NOMINAL MM
MaterialGLASS
Nondefinitive Spec/std DataI TYPE
Style DesignatorTUBING
Material Document and ClassificationDD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
Environmental ProtectionCHEMICAL RESISTANT AND SHOCK PROOF
Wall Thickness0.800 MILLIMETERS NOMINAL MM
Bore Diameter3.400 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6640-00-550-6768 INTERCHANGEABLE
Tubing,glass
6640-00-551-9799 INTERCHANGEABLE
Tubing,glass
6640-00-551-9803 INTERCHANGEABLE
Tubing,glass
Cross-Reference Index
Part NumberManufacturer
234050 Corning Glass Works (USA)
DDT741 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6640-00-550-6768INTERCHANGEABLE
TUBING,GLASS
6640-00-551-9799INTERCHANGEABLE
TUBING,GLASS
6640-00-551-9803INTERCHANGEABLE
TUBING,GLASS

Frequently Asked Questions

What is NSN 6640-00-245-7128?

NSN 6640-00-245-7128 is a Tubing,glass, manufactured by Corning Glass Works, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-245-7128?

NSN 6640-00-245-7128 has 2 cross-referenced part numbers: 234050 (Corning Glass Works), DDT741 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6640-00-245-7128?

There are 3 known substitutes for 6640-00-245-7128: 6640-00-550-6768, 6640-00-551-9799, 6640-00-551-9803. Verify interchangeability with system specifications before substitution.

What are the specifications of 234050?

Key specifications for 234050: Material Transparency: CLEAR; Overall Diameter: 5.000 MILLIMETERS NOMINAL MM; Material: GLASS; Nondefinitive Spec/std Data: I TYPE. 10 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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