PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3740-MTube,extraction

Corning Incorporated Dba Corning Div Corning Life Sciences · NSN 6640-00-494-3965 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-494-3965 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-494-3965. Primary manufacturer part number: 3740-M.
Features
  • Tube,extraction — FSC 6640
  • Material Document and Classification: DD-G-541, TYPE 1, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
  • Mouth Connection Type: STANDARD TAPER
  • Stem Connection Type: STANDARD TAPER
  • Material: GLASS
  • Linear Expansion Coefficient Temp Range in Deg Celsius: +0.0 TO 300.0
  • Trade Designation: CO-BS 45/50 SIZE
  • Capacity Rating: 85.0 MILLILITERS NOMINAL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Glass construction
General Description

The Tube,extraction, cataloged under National Stock Number 6640-00-494-3965, 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 Div Corning Life Sciences. Government technical data includes 10 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-494-3965
Primary Part Number3740-M
Item NameTube,extraction
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerCorning Incorporated Dba Corning Div Corning Life Sciences
StatusACTIVE
Material Document and ClassificationDD-G-541, TYPE 1, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
Mouth Connection TypeSTANDARD TAPER
Stem Connection TypeSTANDARD TAPER
MaterialGLASS
Linear Expansion Coefficient Temp Range in Deg Celsius+0.0 TO 300.0
Trade DesignationCO-BS 45/50 SIZE
Capacity Rating85.0 MILLILITERS NOMINAL
Size DesignationCO-BS 24/40 SIZE
Linear Expansion Coefficient Per Deg Celsius0.0000033
Design DesignationSOXHLET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3030-00-528-4629 INTERCHANGEABLE
Belt,v
5950-00-581-5568774960 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
7025-01-076-1778 INTERCHANGEABLE
Disk Drive Unit
5310-01-353-26623740 INTERCHANGEABLE
Washer,lock
Tpi Corp
6515-01-379-94860037400 INTERCHANGEABLE
Catheter,urethral
C R Bard Inc Div Bard Medical/urological Division
6520-01-408-13843740 INTERCHANGEABLE
Sleeve,tubing,dental
Kerr Corporation
4320-01-447-47163740 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
John Crane, Inc
4730-01-498-50423740 INTERCHANGEABLE
Clamp,hose
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
3740-M PRIMARY Corning Incorporated Dba Corning Div Corning Life Sciences (USA)
3740 Corning Glass Works (USA)
Related Parts
3030-00-528-4629INTERCHANGEABLE
BELT,V
5950-00-581-5568INTERCHANGEABLE
TRANSFORMER,POWER
774960
7025-01-076-1778INTERCHANGEABLE
DISK DRIVE UNIT
5310-01-353-2662INTERCHANGEABLE
WASHER,LOCK
3740
6515-01-379-9486INTERCHANGEABLE
CATHETER,URETHRAL
0037400
6520-01-408-1384INTERCHANGEABLE
SLEEVE,TUBING,DENTAL
3740
4320-01-447-4716INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
3740
4730-01-498-5042INTERCHANGEABLE
CLAMP,HOSE
3740

Frequently Asked Questions

What is NSN 6640-00-494-3965?

NSN 6640-00-494-3965 is a Tube,extraction, manufactured by Corning Incorporated Dba Corning Div Corning Life Sciences, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-494-3965?

NSN 6640-00-494-3965 has 2 cross-referenced part numbers: 3740-M (Corning Incorporated Dba Corning Div Corning Life Sciences), 3740 (Corning Glass Works).

What NSN replaces 6640-00-494-3965?

There are 8 known substitutes for 6640-00-494-3965: 3030-00-528-4629, 5950-00-581-5568, 7025-01-076-1778 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3740-M?

Key specifications for 3740-M: Material Document and Classification: DD-G-541, TYPE 1, CLASS A FED SPEC SINGLE MATERIAL RESPONSE; Mouth Connection Type: STANDARD TAPER; Stem Connection Type: STANDARD TAPER; Material: GLASS. 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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