PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

408000-1Filter,fluid

Essex Industries Inc Div Manufacturing Division · NSN 1660-00-225-4575 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-225-4575 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-225-4575. Primary manufacturer part number: 408000-1.
Features
  • Filter,fluid — FSC 1660
  • Body Length: 1.630 INCHES NOMINAL IN
  • Filtering Media Design: ENCASED SINGLE FILTERING MEDIA RESPONSE
  • Material: ALUMINUM ALLOY SEDIMENT BOWL
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
  • FSC Application Data: OXYGEN SYSTEM,AIRCRAFT
  • Material: STEEL FILTERING MEDIUM
  • Body Height: 0.880 INCHES NOMINAL IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Aluminum Alloy Sediment Bowl construction
General Description

The Filter,fluid, cataloged under National Stock Number 1660-00-225-4575, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Essex Industries Inc Div Manufacturing Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1660-00-225-4575
Primary Part Number408000-1
Item NameFilter,fluid
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerEssex Industries Inc Div Manufacturing Division
StatusCANCELLED
Body Length1.630 INCHES NOMINAL IN
Filtering Media DesignENCASED SINGLE FILTERING MEDIA RESPONSE
MaterialALUMINUM ALLOY SEDIMENT BOWL
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
FSC Application DataOXYGEN SYSTEM,AIRCRAFT
MaterialSTEEL FILTERING MEDIUM
Body Height0.880 INCHES NOMINAL IN
Design TypeREUSABLE
Body Width0.880 INCHES NOMINAL IN
Filtering Element Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-31296580 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6605-00-167-95636580 INTERCHANGEABLE
Sensing Element
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4210-00-299-00206580 INTERCHANGEABLE
Handle,nozzle Assembly
Tyco Fire Products Lp
6625-00-435-5141 INTERCHANGEABLE
Ammeter
5935-00-511-658092470002 INTERCHANGEABLE
Cover
Cbs Inc
2910-00-628-517019800 INTERCHANGEABLE
Nozzle,fuel Injection
Fairbanks Morse, Llc
3465-01-007-382565801 INTERCHANGEABLE
Jig Fixture Clamp
Jergens Inc Div Tooling Components Division
1730-01-012-52324080001-1 INTERCHANGEABLE
Streamer Assembly,pilots
Textron Aviation Inc
6620-01-106-63596580 INTERCHANGEABLE
Gage,fuel
Rochester Sensors, Llc
5962-01-112-57794080001 INTERCHANGEABLE
Microcircuit,linear
Power/mate Co
Cross-Reference Index
Part NumberManufacturer
408000-1 Essex Industries Inc Div Manufacturing Division (USA)
6580 American Safety Flight Systems Inc (USA)
6580-1 American Safety Flight Systems Inc (USA)
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
6580 Conax Florida Corporation (USA)
6580-1 Conax Florida Corporation (USA)
Related Parts
3110-00-100-3129INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
6580
6605-00-167-9563INTERCHANGEABLE
SENSING ELEMENT
6580
4210-00-299-0020INTERCHANGEABLE
HANDLE,NOZZLE ASSEMBLY
6580
6625-00-435-5141INTERCHANGEABLE
AMMETER
5935-00-511-6580INTERCHANGEABLE
COVER
92470002
2910-00-628-5170INTERCHANGEABLE
NOZZLE,FUEL INJECTION
19800
3465-01-007-3825INTERCHANGEABLE
JIG FIXTURE CLAMP
65801
1730-01-012-5232INTERCHANGEABLE
STREAMER ASSEMBLY,PILOTS
4080001-1
6620-01-106-6359INTERCHANGEABLE
GAGE,FUEL
6580
5962-01-112-5779INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4080001
6220-01-166-7363INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
4080-001
5998-01-379-7241INTERCHANGEABLE
EXTRACTOR,ELECTRICAL CARD
6580-5

Frequently Asked Questions

What is NSN 1660-00-225-4575?

NSN 1660-00-225-4575 is a Filter,fluid, manufactured by Essex Industries Inc Div Manufacturing Division, classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-00-225-4575?

NSN 1660-00-225-4575 has 6 cross-referenced part numbers: 408000-1 (Essex Industries Inc Div Manufacturing Division), 6580 (American Safety Flight Systems Inc), 6580-1 (American Safety Flight Systems Inc), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 6580 (Conax Florida Corporation) and 1 more.

What NSN replaces 1660-00-225-4575?

There are 12 known substitutes for 1660-00-225-4575: 3110-00-100-3129, 6605-00-167-9563, 4210-00-299-0020 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 408000-1?

Key specifications for 408000-1: Body Length: 1.630 INCHES NOMINAL IN; Filtering Media Design: ENCASED SINGLE FILTERING MEDIA RESPONSE; Material: ALUMINUM ALLOY SEDIMENT BOWL; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1660-00-225-4575 still in active supply?

NSN 1660-00-225-4575 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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