PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

225-3-02Filter Unit,microporous

Skc Inc · NSN 6640-01-233-7602 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-233-7602 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-233-7602. Primary manufacturer part number: 225-3-02.
Features
  • Filter Unit,microporous — FSC 6640
  • Filtration Rating in Microns: 0.8 ABSOLUTE
  • Filtering Area: 9.0 SQUARE CENTIMETERS NOMINAL
  • Material: CELLULOSE
  • Unit Package Quantity: 50
  • Absorbent Pad: INCLUDED
  • Accessory Components and Quantity: CONSIST OF WHITE THIN; MATCHED WEIGHT MCE MEMBRANE FILTERS 2,PAD 1; 3-SECTION CLEAR STYRENE ACRYLONITRILE (SAN) CASSETTE CASE 1 AND SEALING PLUGS
  • Grid Markings: NOT INCLUDED
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Cellulose construction
General Description

The Filter Unit,microporous, cataloged under National Stock Number 6640-01-233-7602, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN6640-01-233-7602
Primary Part Number225-3-02
Item NameFilter Unit,microporous
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerSkc Inc
StatusACTIVE
Filtration Rating in Microns0.8 ABSOLUTE
Filtering Area9.0 SQUARE CENTIMETERS NOMINAL
MaterialCELLULOSE
Unit Package Quantity50
Absorbent PadINCLUDED
Accessory Components and QuantityCONSIST OF WHITE THIN; MATCHED WEIGHT MCE MEMBRANE FILTERS 2,PAD 1; 3-SECTION CLEAR STYRENE ACRYLONITRILE (SAN) CASSETTE CASE 1 AND SEALING PLUGS
Grid MarkingsNOT INCLUDED
Unit TypeAEROSOL
Unit Package TypePACKAGE
Filter Disk Size Accommodated37.0 MILLIMETERS MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6640-01-233-7603225-3-01 INTERCHANGEABLE
Filter Unit,microporous
Skc Inc
Cross-Reference Index
Part NumberManufacturer
225-3-02 PRIMARY Skc Inc (USA)
CASSETTE WITH FILTER Skc Inc (USA)
7M93M Cole-Parmer Instrument Co Llc (USA)
Related Parts
6640-01-233-7603INTERCHANGEABLE
FILTER UNIT,MICROPOROUS
225-3-01

Frequently Asked Questions

What is NSN 6640-01-233-7602?

NSN 6640-01-233-7602 is a Filter Unit,microporous, manufactured by Skc Inc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-233-7602?

NSN 6640-01-233-7602 has 3 cross-referenced part numbers: 225-3-02 (Skc Inc), CASSETTE WITH FILTER (Skc Inc), 7M93M (Cole-Parmer Instrument Co Llc).

What NSN replaces 6640-01-233-7602?

There is 1 known substitute for 6640-01-233-7602: 6640-01-233-7603. Verify interchangeability with system specifications before substitution.

What are the specifications of 225-3-02?

Key specifications for 225-3-02: Filtration Rating in Microns: 0.8 ABSOLUTE; Filtering Area: 9.0 SQUARE CENTIMETERS NOMINAL; Material: CELLULOSE; Unit Package Quantity: 50. 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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