PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NNNG00475Tubing,glass

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6640-00-245-7129 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-245-7129 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-245-7129. Primary manufacturer part number: NNNG00475.
Features
  • Tubing,glass — FSC 6640
  • Wall Thickness: 1.0 MILLIMETERS NOMINAL MM
  • Overall Diameter: 8.0 MILLIMETERS NOMINAL MM
  • Style Designator: TUBING
  • Material: GLASS BOROSILICATE
  • Nondefinitive Spec/std Data: I TYPE AND A VARIETY
  • Material Document and Classification: DD-G-541,TYPE I,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
  • Material Transparency: CLEAR
Applications
  • Applications requiring Glass Borosilicate construction
General Description

The Tubing,glass, cataloged under National Stock Number 6640-00-245-7129, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-245-7129
Primary Part NumberNNNG00475
Item NameTubing,glass
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Wall Thickness1.0 MILLIMETERS NOMINAL MM
Overall Diameter8.0 MILLIMETERS NOMINAL MM
Style DesignatorTUBING
MaterialGLASS BOROSILICATE
Nondefinitive Spec/std DataI TYPE AND A VARIETY
Material Document and ClassificationDD-G-541,TYPE I,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
Material TransparencyCLEAR
Bore Diameter6.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4820-00-036-160638668 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
5945-00-231-1850SK5018 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
6640-00-299-8690 INTERCHANGEABLE
Tubing,glass
6640-00-445-7750 INTERCHANGEABLE
Tubing,glass
6640-00-445-9250 INTERCHANGEABLE
Glass Tubing Assortment
2520-00-448-341513773 INTERCHANGEABLE
Turbine Assembly
Sachs-Boge of America
6640-00-551-9805 INTERCHANGEABLE
Tubing,glass
6640-00-558-0292234110 INTERCHANGEABLE
Tubing,glass
Corning Glass Works
5910-01-281-2879234080 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Boonton Electronics Corporation Div Boonton Electronics
Cross-Reference Index
Part NumberManufacturer
NNNG00475 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS36079-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
14076 Central Scientific Co Educational (USA)
FLINT0088 Corning Glass Works (USA)
234080 Corning Glass Works (USA)
Related Parts
4820-00-036-1606INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
38668
5945-00-231-1850INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SK5018
6640-00-299-8690INTERCHANGEABLE
TUBING,GLASS
6640-00-445-7750INTERCHANGEABLE
TUBING,GLASS
6640-00-445-9250INTERCHANGEABLE
GLASS TUBING ASSORTMENT
2520-00-448-3415INTERCHANGEABLE
TURBINE ASSEMBLY
13773
6640-00-551-9805INTERCHANGEABLE
TUBING,GLASS
6640-00-558-0292INTERCHANGEABLE
TUBING,GLASS
234110
5910-01-281-2879INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
234080

Frequently Asked Questions

What is NSN 6640-00-245-7129?

NSN 6640-00-245-7129 is a Tubing,glass, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-245-7129?

NSN 6640-00-245-7129 has 5 cross-referenced part numbers: NNNG00475 (Federal Specifications Promulgated by General Services Administration Washington DC), MS36079-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 14076 (Central Scientific Co Educational), FLINT0088 (Corning Glass Works), 234080 (Corning Glass Works).

What NSN replaces 6640-00-245-7129?

There are 9 known substitutes for 6640-00-245-7129: 4820-00-036-1606, 5945-00-231-1850, 6640-00-299-8690 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NNNG00475?

Key specifications for NNNG00475: Wall Thickness: 1.0 MILLIMETERS NOMINAL MM; Overall Diameter: 8.0 MILLIMETERS NOMINAL MM; Style Designator: TUBING; Material: GLASS BOROSILICATE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-245-7129 still in active supply?

NSN 6640-00-245-7129 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.
PartsTable Design LLC · partstable.com