PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CLS710050Pipet,volumetric

Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc · NSN 6640-00-438-0250 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-438-0250 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-438-0250. Primary manufacturer part number: CLS710050.
Features
  • Pipet,volumetric — FSC 6640
  • Total Primary Container Quantity: 1
  • Style Designator: VOLUMETRIC TRANSFER TYPE
  • Material Document and Classification: DD-G-541, TYPE 1, CLASS B FED SPEC SINGLE MATERIAL RESPONSE
  • Nondefinitive Spec/std Data: A CLASS
  • Calibration Function: TO DELIVER W/VOLUME ADJUSTED FOR BLOWING OUT LAST DROP
  • Capacity Rating: 50.000 MILLILITERS NOMINAL
  • Primary Container Unit Quantity: 1
Applications
  • Applications requiring Glass construction
General Description

The Pipet,volumetric, cataloged under National Stock Number 6640-00-438-0250, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-438-0250
Primary Part NumberCLS710050
Item NamePipet,volumetric
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerSigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc
StatusCANCELLED
Total Primary Container Quantity1
Style DesignatorVOLUMETRIC TRANSFER TYPE
Material Document and ClassificationDD-G-541, TYPE 1, CLASS B FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataA CLASS
Calibration FunctionTO DELIVER W/VOLUME ADJUSTED FOR BLOWING OUT LAST DROP
Capacity Rating50.000 MILLILITERS NOMINAL
Primary Container Unit Quantity1
MaterialGLASS
Primary Container TypeCARTON
Features ProvidedNONSERIALIZED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6640-00-155-5159 INTERCHANGEABLE
Pipet,volumetric
6640-00-437-796037002-1(EA) INTERCHANGEABLE
Pipet,volumetric
Daigger Scientific Inc
6640-00-437-7980 INTERCHANGEABLE
Pipet,volumetric
6640-00-437-800037004-5 INTERCHANGEABLE
Pipet,volumetric
Gerresheimer Glass Inc Div Gerresheimer Glass
6640-00-437-9000 INTERCHANGEABLE
Pipet,volumetric
6640-00-438-000013-650-2P INTERCHANGEABLE
Pipet,volumetric
Fisher Scientific Company L.l.c.
6640-00-438-0500 INTERCHANGEABLE
Pipet,volumetric
Cross-Reference Index
Part NumberManufacturer
CLS710050 PRIMARY Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc (USA)
CLS710050 Sigma-Aldrich Corporation (USA)
CLS710050-1EA PRIMARY Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc (USA)
NNNP395 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6640-00-155-5159INTERCHANGEABLE
PIPET,VOLUMETRIC
6640-00-437-7960INTERCHANGEABLE
PIPET,VOLUMETRIC
37002-1(EA)
6640-00-437-7980INTERCHANGEABLE
PIPET,VOLUMETRIC
6640-00-437-8000INTERCHANGEABLE
PIPET,VOLUMETRIC
37004-5
6640-00-437-9000INTERCHANGEABLE
PIPET,VOLUMETRIC
6640-00-438-0000INTERCHANGEABLE
PIPET,VOLUMETRIC
13-650-2P
6640-00-438-0500INTERCHANGEABLE
PIPET,VOLUMETRIC

Frequently Asked Questions

What is NSN 6640-00-438-0250?

NSN 6640-00-438-0250 is a Pipet,volumetric, manufactured by Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-438-0250?

NSN 6640-00-438-0250 has 4 cross-referenced part numbers: CLS710050 (Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc), CLS710050 (Sigma-Aldrich Corporation), CLS710050-1EA (Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc), NNNP395 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6640-00-438-0250?

There are 7 known substitutes for 6640-00-438-0250: 6640-00-155-5159, 6640-00-437-7960, 6640-00-437-7980 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CLS710050?

Key specifications for CLS710050: Total Primary Container Quantity: 1; Style Designator: VOLUMETRIC TRANSFER TYPE; Material Document and Classification: DD-G-541, TYPE 1, CLASS B FED SPEC SINGLE MATERIAL RESPONSE; Nondefinitive Spec/std Data: A CLASS. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-438-0250 still in active supply?

NSN 6640-00-438-0250 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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