PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

225-1823Disk,filtering,microporous

Skc Inc · NSN 6640-01-604-6992 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-604-6992 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-604-6992. Primary manufacturer part number: 225-1823.
Features
  • Disk,filtering,microporous — FSC 6640
  • Unit Package Quantity: 25
  • Overall Thickness: 0.4 MILLIMETERS NOMINAL MM
  • Overall Diameter: 47.0 MILLIMETERS NOMINAL MM
  • Unit Package Type: BOX
  • Material: QUARTZ
  • 3 verified cross-references
  • Primary manufacturer: Skc Inc
Applications
  • Applications requiring Quartz construction
General Description

The Disk,filtering,microporous, cataloged under National Stock Number 6640-01-604-6992, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Skc Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-604-6992
Primary Part Number225-1823
Item NameDisk,filtering,microporous
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerSkc Inc
StatusACTIVE
Unit Package Quantity25
Overall Thickness0.4 MILLIMETERS NOMINAL MM
Overall Diameter47.0 MILLIMETERS NOMINAL MM
Unit Package TypeBOX
MaterialQUARTZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5307-00-221-504532272 INTERCHANGEABLE
Stud,shouldered
American Fuel Cell and Coated Fabrics Company, Llc
3820-00-324-340132272 INTERCHANGEABLE
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3110-00-432-315132272-5 INTERCHANGEABLE
Bearing,roller,cylindrical
Mpb Corporation Dba Mpb Corp
5930-00-636-0479 INTERCHANGEABLE
Switch,toggle
5985-01-069-2235 INTERCHANGEABLE
Antenna
8475-01-282-9602322-72 INTERCHANGEABLE
Lens,goggles
Avox Systems Inc Dba Avox Systems Inc
4210-01-283-196032272 INTERCHANGEABLE
Cylinder and Valve
Tyco Fire Products Lp
5998-01-386-1140 INTERCHANGEABLE
Printed Circuit Board
5340-01-409-16453227-2 INTERCHANGEABLE
Hinge,butt
Cpi Radant Technologies Division Inc.
3110-01-528-229932272 INTERCHANGEABLE
Cone,tapered Roller Bearing
Tulsa Winch, Inc.
Cross-Reference Index
Part NumberManufacturer
32272 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
225-1823 PRIMARY Skc Inc (USA)
6515NCM127382 Defense Medical Standardization Board (USA)
Related Parts
5307-00-221-5045INTERCHANGEABLE
STUD,SHOULDERED
32272
3820-00-324-3401INTERCHANGEABLE
CYLINDER ASSEMBLY,LEVELING
32272
3110-00-432-3151INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
32272-5
5930-00-636-0479INTERCHANGEABLE
SWITCH,TOGGLE
5985-01-069-2235INTERCHANGEABLE
ANTENNA
8475-01-282-9602INTERCHANGEABLE
LENS,GOGGLES
322-72
4210-01-283-1960INTERCHANGEABLE
CYLINDER AND VALVE
32272
5998-01-386-1140INTERCHANGEABLE
PRINTED CIRCUIT BOARD
5340-01-409-1645INTERCHANGEABLE
HINGE,BUTT
3227-2
3110-01-528-2299INTERCHANGEABLE
CONE,TAPERED ROLLER BEARING
32272

Frequently Asked Questions

What is NSN 6640-01-604-6992?

NSN 6640-01-604-6992 is a Disk,filtering,microporous, manufactured by Skc Inc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-604-6992?

NSN 6640-01-604-6992 has 3 cross-referenced part numbers: 32272 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 225-1823 (Skc Inc), 6515NCM127382 (Defense Medical Standardization Board).

What NSN replaces 6640-01-604-6992?

There are 10 known substitutes for 6640-01-604-6992: 5307-00-221-5045, 3820-00-324-3401, 3110-00-432-3151 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 225-1823?

Key specifications for 225-1823: Unit Package Quantity: 25; Overall Thickness: 0.4 MILLIMETERS NOMINAL MM; Overall Diameter: 47.0 MILLIMETERS NOMINAL MM; Special Features: FILTER, QUARTZ; THICKNESS: 432 MICROMETERS; DIAMETER: 47 MM; FOR SAMPLING UP TO 1093 DEG C; NO SUPPORT PAD INCLUDED; PACKAGE OF 25 MM. 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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