PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7-4000-1000Flask,volumetric

Krackeler Scientific, Inc. Dba Krackeler Scientific Inc · NSN 6640-01-386-4534 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-386-4534 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-386-4534. Primary manufacturer part number: 7-4000-1000.
Features
  • Flask,volumetric — FSC 6640
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 2 verified cross-references
  • Primary manufacturer: Krackeler Scientific, Inc. Dba Krackeler Scientific Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flask,volumetric, cataloged under National Stock Number 6640-01-386-4534, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Krackeler Scientific, Inc. Dba Krackeler Scientific Inc. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-386-4534
Primary Part Number7-4000-1000
Item NameFlask,volumetric
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerKrackeler Scientific, Inc. Dba Krackeler Scientific Inc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-00-249-179219659 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6640-00-938-47754000-1000 INTERCHANGEABLE
Flask,volumetric
Nalge Co Div of Sybron Corp
Cross-Reference Index
Part NumberManufacturer
7-4000-1000 Krackeler Scientific, Inc. Dba Krackeler Scientific Inc (USA)
4000-1000 Nalge Nunc International Corporation (USA)
Related Parts
3455-00-249-1792INTERCHANGEABLE
REAMER,MACHINE
19659
6640-00-938-4775INTERCHANGEABLE
FLASK,VOLUMETRIC
4000-1000

Frequently Asked Questions

What is NSN 6640-01-386-4534?

NSN 6640-01-386-4534 is a Flask,volumetric, manufactured by Krackeler Scientific, Inc. Dba Krackeler Scientific Inc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-386-4534?

NSN 6640-01-386-4534 has 2 cross-referenced part numbers: 7-4000-1000 (Krackeler Scientific, Inc. Dba Krackeler Scientific Inc), 4000-1000 (Nalge Nunc International Corporation).

What NSN replaces 6640-01-386-4534?

There are 2 known substitutes for 6640-01-386-4534: 3455-00-249-1792, 6640-00-938-4775. Verify interchangeability with system specifications before substitution.

What are the specifications of 7-4000-1000?

Key specifications for 7-4000-1000: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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