PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

234200Tubing,glass

Corning Glass Works · NSN 6640-00-551-9805 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-551-9805 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-551-9805. Primary manufacturer part number: 234200.
Features
  • Tubing,glass — FSC 6640
  • Style Designator: TUBING
  • Material: GLASS BOROSILICATE
  • Nondefinitive Spec/std Data: I TYPE AND A VARIETY
  • Wall Thickness: 1.2 MILLIMETERS NOMINAL MM
  • Bore Diameter: 17.6 MILLIMETERS NOMINAL MM
  • Material Transparency: CLEAR
  • Overall Diameter: 20.0 MILLIMETERS NOMINAL MM
Applications
  • Applications requiring Glass Borosilicate construction
General Description

The Tubing,glass, cataloged under National Stock Number 6640-00-551-9805, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-551-9805
Primary Part Number234200
Item NameTubing,glass
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerCorning Glass Works
StatusCANCELLED
Style DesignatorTUBING
MaterialGLASS BOROSILICATE
Nondefinitive Spec/std DataI TYPE AND A VARIETY
Wall Thickness1.2 MILLIMETERS NOMINAL MM
Bore Diameter17.6 MILLIMETERS NOMINAL MM
Material TransparencyCLEAR
Overall Diameter20.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6640-00-245-7129 INTERCHANGEABLE
Tubing,glass
6640-00-299-8690 INTERCHANGEABLE
Tubing,glass
6640-00-445-7750 INTERCHANGEABLE
Tubing,glass
6640-00-445-9250 INTERCHANGEABLE
Glass Tubing Assortment
6640-00-558-0292234110 INTERCHANGEABLE
Tubing,glass
Corning Glass Works
2530-00-977-25932-D-3580 INTERCHANGEABLE
Piston,hydraulic Brake
Caterpillar Inc Div Caterpillar Defense
5985-01-119-94021061591 INTERCHANGEABLE
Waveguide Assembly
Frontgrade Technologies Inc.
4320-01-373-2743912-4020-75-12 INTERCHANGEABLE
Ring,wearing
Parker-Hannifin Corporation Div Integrated Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
234200 Corning Glass Works (USA)
NNNG00475 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS36079-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6640-00-245-7129INTERCHANGEABLE
TUBING,GLASS
6640-00-299-8690INTERCHANGEABLE
TUBING,GLASS
6640-00-445-7750INTERCHANGEABLE
TUBING,GLASS
6640-00-445-9250INTERCHANGEABLE
GLASS TUBING ASSORTMENT
6640-00-558-0292INTERCHANGEABLE
TUBING,GLASS
234110
2530-00-977-2593INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE
2-D-3580
5985-01-119-9402INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
1061591
4320-01-373-2743INTERCHANGEABLE
RING,WEARING
912-4020-75-12

Frequently Asked Questions

What is NSN 6640-00-551-9805?

NSN 6640-00-551-9805 is a Tubing,glass, manufactured by Corning Glass Works, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-551-9805?

NSN 6640-00-551-9805 has 3 cross-referenced part numbers: 234200 (Corning Glass Works), NNNG00475 (Federal Specifications Promulgated by General Services Administration Washington DC), MS36079-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6640-00-551-9805?

There are 8 known substitutes for 6640-00-551-9805: 6640-00-245-7129, 6640-00-299-8690, 6640-00-445-7750 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 234200?

Key specifications for 234200: Style Designator: TUBING; Material: GLASS BOROSILICATE; Nondefinitive Spec/std Data: I TYPE AND A VARIETY; Special Features: ANNEALED. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-551-9805 still in active supply?

NSN 6640-00-551-9805 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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