PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9840-25Test Tube

Corning Incorporated Dba Corning · NSN 6640-00-171-4901 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-171-4901 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-171-4901. Primary manufacturer part number: 9840-25.
Features
  • Test Tube — FSC 6640
  • Style Designator: PLAIN RIM W/SIDE ARM ROUND BOTTOM
  • Primary Container Unit Quantity: 1
  • Capacity Rating: 60.000 MILLILITERS NOMINAL
  • Overall Outside Diameter: 25.00 MILLIMETERS NOMINAL MM
  • Calibration Function: TO CONTAIN
  • Primary Container Type: BOX
  • 5 verified cross-references
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Test Tube, cataloged under National Stock Number 6640-00-171-4901, 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 Incorporated Dba Corning. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-171-4901
Primary Part Number9840-25
Item NameTest Tube
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerCorning Incorporated Dba Corning
StatusACTIVE
Style DesignatorPLAIN RIM W/SIDE ARM ROUND BOTTOM
Primary Container Unit Quantity1
Capacity Rating60.000 MILLILITERS NOMINAL
Overall Outside Diameter25.00 MILLIMETERS NOMINAL MM
Calibration FunctionTO CONTAIN
Primary Container TypeBOX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4330-00-288-6907 INTERCHANGEABLE
Filter,fluid
2815-00-415-05829840 INTERCHANGEABLE
Cylinder Sleeve
Cooper Machinery Services Llc
5330-00-735-62359975034-2 INTERCHANGEABLE
Seal,plain Encased
Us Army Aviation and Missile Command
6145-01-265-93609840 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cross-Reference Index
Part NumberManufacturer
9840-25 PRIMARY Corning Incorporated Dba Corning (USA)
1234B11 Arthur H. Thomas Company (USA)
9840 Corning Glass Works (USA)
MS36190-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
14-941C Fisher Scientific Company L.l.c. (USA)
Related Parts
4330-00-288-6907INTERCHANGEABLE
FILTER,FLUID
2815-00-415-0582INTERCHANGEABLE
CYLINDER SLEEVE
9840
5330-00-735-6235INTERCHANGEABLE
SEAL,PLAIN ENCASED
9975034-2
6145-01-265-9360INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9840

Frequently Asked Questions

What is NSN 6640-00-171-4901?

NSN 6640-00-171-4901 is a Test Tube, manufactured by Corning Incorporated Dba Corning, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-171-4901?

NSN 6640-00-171-4901 has 5 cross-referenced part numbers: 9840-25 (Corning Incorporated Dba Corning), 1234B11 (Arthur H. Thomas Company), 9840 (Corning Glass Works), MS36190-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 14-941C (Fisher Scientific Company L.l.c.).

What NSN replaces 6640-00-171-4901?

There are 4 known substitutes for 6640-00-171-4901: 4330-00-288-6907, 2815-00-415-0582, 5330-00-735-6235 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9840-25?

Key specifications for 9840-25: Overall Length: 200.00 MILLIMETERS NOMINAL MM; Style Designator: PLAIN RIM W/SIDE ARM ROUND BOTTOM; Primary Container Unit Quantity: 1; Capacity Rating: 60.000 MILLILITERS NOMINAL. 7 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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