PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1785Filter Unit,microporous

Betzdearborn Canada Inc · NSN 6640-01-370-5850 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-370-5850 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-370-5850. Primary manufacturer part number: 1785.
Features
  • Filter Unit,microporous — FSC 6640
  • Filter Disk Size Accommodated: 25.0 MILLIMETERS MM
  • Material: PLASTIC POLYPROPYLENE
  • Unit Package Quantity: 12
  • Accessory Components and Quantity: SILICONE GASKET 1; SYRINGES LESS THAN 10ML CAP 1; PREFILTER 100MM DIA 1 MM
  • Overall Diameter: 32.0 MILLIMETERS NOMINAL MM
  • Grid Markings: NOT INCLUDED
  • Filtering Area: 3.4 SQUARE CENTIMETERS NOMINAL
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Plastic Polypropylene construction
General Description

The Filter Unit,microporous, cataloged under National Stock Number 6640-01-370-5850, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Betzdearborn Canada Inc. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-370-5850
Primary Part Number1785
Item NameFilter Unit,microporous
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerBetzdearborn Canada Inc
StatusACTIVE
Filter Disk Size Accommodated25.0 MILLIMETERS MM
MaterialPLASTIC POLYPROPYLENE
Unit Package Quantity12
Accessory Components and QuantitySILICONE GASKET 1; SYRINGES LESS THAN 10ML CAP 1; PREFILTER 100MM DIA 1 MM
Overall Diameter32.0 MILLIMETERS NOMINAL MM
Grid MarkingsNOT INCLUDED
Filtering Area3.4 SQUARE CENTIMETERS NOMINAL
Unit Package TypePACKAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4110-00-005-5290 INTERCHANGEABLE
Refrigerator-Freezer,mechanical,
3040-00-161-21041785 INTERCHANGEABLE
Shaft,shouldered
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5330-00-374-3151QD613C INTERCHANGEABLE
Gasket
Wisconsin Motors, Llc
5950-00-617-40281785 INTERCHANGEABLE
Transformer,power
Emcore Corporation Div Concord Division
5950-00-648-6318743998-2 INTERCHANGEABLE
Transformer,power
L3 Technologies, Inc. Div Communication Systems-East
5940-00-842-2917707-5020 INTERCHANGEABLE
Terminal Board
Concord Electronics, Inc.
6505-00-926-8985NDC00031-8684-12 INTERCHANGEABLE
Dextromethorphan Hydrobromide an
Robins a H Co Inc Government Sales
5945-00-968-4847 INTERCHANGEABLE
Chopper,electronic
5975-00-999-4281HBL1785 INTERCHANGEABLE
Plate,wall,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
7420-01-074-4145 INTERCHANGEABLE
Calculator,electronic
Cross-Reference Index
Part NumberManufacturer
1785 PRIMARY Betzdearborn Canada Inc (CAN)
SX00025 00 PRIMARY Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation (USA)
Related Parts
4110-00-005-5290INTERCHANGEABLE
REFRIGERATOR-FREEZER,MECHANICAL,
3040-00-161-2104INTERCHANGEABLE
SHAFT,SHOULDERED
1785
5330-00-374-3151INTERCHANGEABLE
GASKET
QD613C
5950-00-617-4028INTERCHANGEABLE
TRANSFORMER,POWER
1785
5950-00-648-6318INTERCHANGEABLE
TRANSFORMER,POWER
743998-2
5940-00-842-2917INTERCHANGEABLE
TERMINAL BOARD
707-5020
6505-00-926-8985INTERCHANGEABLE
DEXTROMETHORPHAN HYDROBROMIDE AN
NDC00031-8684-12
5945-00-968-4847INTERCHANGEABLE
CHOPPER,ELECTRONIC
5975-00-999-4281INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
HBL1785
7420-01-074-4145INTERCHANGEABLE
CALCULATOR,ELECTRONIC
5930-01-212-9579INTERCHANGEABLE
SWITCH,PUSH
1785
6515-01-652-3715INTERCHANGEABLE
FORCEPS,SPLINTER
1785

Frequently Asked Questions

What is NSN 6640-01-370-5850?

NSN 6640-01-370-5850 is a Filter Unit,microporous, manufactured by Betzdearborn Canada Inc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-370-5850?

NSN 6640-01-370-5850 has 2 cross-referenced part numbers: 1785 (Betzdearborn Canada Inc), SX00025 00 (Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation).

What NSN replaces 6640-01-370-5850?

There are 12 known substitutes for 6640-01-370-5850: 4110-00-005-5290, 3040-00-161-2104, 5330-00-374-3151 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1785?

Key specifications for 1785: Filter Disk Size Accommodated: 25.0 MILLIMETERS MM; Material: PLASTIC POLYPROPYLENE; Overall Height: 37.0 MILLIMETERS NOMINAL MM; Unit Package Quantity: 12. 10 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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