PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILC3659Crucible,filtering,laboratory

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6640-00-419-3050 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-419-3050 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-419-3050. Primary manufacturer part number: MILC3659.
Features
  • Crucible,filtering,laboratory — FSC 6640
  • Filtering Disk Type and Size: 5.0 MICRONS FIXED POROUS
  • Primary Container Unit Quantity: 1
  • Style Designator: LOW FORM
  • Material: GLASS BOROSILICATE
  • Primary Container Type: CARTON
  • Capacity Rating: 30.000 MILLILITERS NOMINAL
  • Total Primary Container Quantity: 1
Applications
  • Applications requiring Glass Borosilicate construction
General Description

The Crucible,filtering,laboratory, cataloged under National Stock Number 6640-00-419-3050, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-419-3050
Primary Part NumberMILC3659
Item NameCrucible,filtering,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Filtering Disk Type and Size5.0 MICRONS FIXED POROUS
Primary Container Unit Quantity1
Style DesignatorLOW FORM
MaterialGLASS BOROSILICATE
Primary Container TypeCARTON
Capacity Rating30.000 MILLILITERS NOMINAL
Total Primary Container Quantity1
Design DesignationGOOCH
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6640-00-366-7069 INTERCHANGEABLE
Crucible,filtering,laboratory
Cross-Reference Index
Part NumberManufacturer
MILC3659 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6640-00-366-7069INTERCHANGEABLE
CRUCIBLE,FILTERING,LABORATORY

Frequently Asked Questions

What is NSN 6640-00-419-3050?

NSN 6640-00-419-3050 is a Crucible,filtering,laboratory, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-419-3050?

NSN 6640-00-419-3050 has 1 cross-referenced part number: MILC3659 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6640-00-419-3050?

There is 1 known substitute for 6640-00-419-3050: 6640-00-366-7069. Verify interchangeability with system specifications before substitution.

What are the specifications of MILC3659?

Key specifications for MILC3659: Filtering Disk Type and Size: 5.0 MICRONS FIXED POROUS; Primary Container Unit Quantity: 1; Style Designator: LOW FORM; Special Features: FRITTED; FINE POROSITY; W/BEADED RIM. 12 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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