PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ED609Filter Unit,microporous

Filtration Sciences Corp Eaton-Dikeman Div · NSN 6640-01-086-4148 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-086-4148 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-086-4148. Primary manufacturer part number: ED609.
Features
  • Filter Unit,microporous — FSC 6640
  • 2 verified cross-references
  • Primary manufacturer: Filtration Sciences Corp Eaton-Dikeman Div
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Unit,microporous, cataloged under National Stock Number 6640-01-086-4148, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Filtration Sciences Corp Eaton-Dikeman Div. This item has 2 commercial cross-references from 2 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
NSN6640-01-086-4148
Primary Part NumberED609
Item NameFilter Unit,microporous
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerFiltration Sciences Corp Eaton-Dikeman Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5325-00-275-44641298861-1 INTERCHANGEABLE
Eyelet,metallic
Honeywell Intl Inc Defense Avionics Systems
5999-00-369-1464563-4902-1009469PC1H INTERCHANGEABLE
Contact,electrical
Naval Ship Systems Command
5340-00-532-92313B1084 INTERCHANGEABLE
Clamp,loop
Napco International Llc Dba Napco International Inc
5975-00-819-1860BBU-400 INTERCHANGEABLE
Bushing,electrical Conduit
Egs Electrical Group Appleton Div
5961-01-115-7387 INTERCHANGEABLE
Transistor
4820-01-267-1328519-9579 INTERCHANGEABLE
Valve,safety Relief
Landoll Company, Llc
5310-01-445-7647122-4322691 P/N 21 INTERCHANGEABLE
Washer,flat
Naval Sea Systems Command
5930-01-491-1416297704439 INTERCHANGEABLE
Switch,flow
Dometic Environmental Corp
5945-01-520-45091616056-1 INTERCHANGEABLE
Relay,hybrid
Te Connectivity Corporation
5975-01-663-5700A400 INTERCHANGEABLE
Cover,junction Box
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
ED609 Filtration Sciences Corp Eaton-Dikeman Div (USA)
A-400 Lengor Inc (USA)
Related Parts
5325-00-275-4464INTERCHANGEABLE
EYELET,METALLIC
1298861-1
5999-00-369-1464INTERCHANGEABLE
CONTACT,ELECTRICAL
563-4902-1009469PC1H
5340-00-532-9231INTERCHANGEABLE
CLAMP,LOOP
3B1084
5975-00-819-1860INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
BBU-400
5961-01-115-7387INTERCHANGEABLE
TRANSISTOR
4820-01-267-1328INTERCHANGEABLE
VALVE,SAFETY RELIEF
519-9579
5310-01-445-7647INTERCHANGEABLE
WASHER,FLAT
122-4322691 P/N 21
5930-01-491-1416INTERCHANGEABLE
SWITCH,FLOW
297704439
5945-01-520-4509INTERCHANGEABLE
RELAY,HYBRID
1616056-1
5975-01-663-5700INTERCHANGEABLE
COVER,JUNCTION BOX
A400

Frequently Asked Questions

What is NSN 6640-01-086-4148?

NSN 6640-01-086-4148 is a Filter Unit,microporous, manufactured by Filtration Sciences Corp Eaton-Dikeman Div, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-086-4148?

NSN 6640-01-086-4148 has 2 cross-referenced part numbers: ED609 (Filtration Sciences Corp Eaton-Dikeman Div), A-400 (Lengor Inc).

What NSN replaces 6640-01-086-4148?

There are 10 known substitutes for 6640-01-086-4148: 5325-00-275-4464, 5999-00-369-1464, 5340-00-532-9231 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ED609?

Key specifications for ED609: Special Features: DETECTS WATER OR ANTI-FREEZE IN ENGINE OIL,100 SHEETS,BLEACHED CELLULOSE FIBERS,WHITE,SMOOTH SURFACE. 1 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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