PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1598621Filter Element,fluid

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 4330-00-805-6619 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-805-6619 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-805-6619. Primary manufacturer part number: 1598621.
Features
  • Filter Element,fluid — FSC 4330
  • Body Diameter: 1.340 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING FILTERING MEDIUM
  • Material: METAL CONTAINER/CARTRIDGE
  • Filtration Rating in Microns: 5.0 NOMINAL
  • Body Overall Length: 4.620 INCHES NOMINAL IN
  • Temp Rating: 100.0 FAHRENHEIT NOMINAL DEGF
  • Nominal Thread Size: 1.000 INCHES IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Corrosion Resisting Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-00-805-6619, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-00-805-6619
Primary Part Number1598621
Item NameFilter Element,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Body Diameter1.340 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING FILTERING MEDIUM
MaterialMETAL CONTAINER/CARTRIDGE
Filtration Rating in Microns5.0 NOMINAL
Body Overall Length4.620 INCHES NOMINAL IN
Temp Rating100.0 FAHRENHEIT NOMINAL DEGF
Nominal Thread Size1.000 INCHES IN
Design TypeREUSABLE
Style DesignatorCYLINDRICAL W/ INTEGRAL OUTER CASING
Thread Series DesignatorUNEF
Media for Which DesignedANY ACCEPTABLE
Flow DirectionOUTSIDE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-156-7430115691-004 INTERCHANGEABLE
Terminal,lug
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5920-00-887-64912819 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
6680-01-113-803454502 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5136-01-727-257754502 INTERCHANGEABLE
Tap,thread Cutting
Tapco
Cross-Reference Index
Part NumberManufacturer
5450-2 Fluid Conditioning Products, Inc. (USA)
1598621 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5940-00-156-7430INTERCHANGEABLE
TERMINAL,LUG
115691-004
5920-00-887-6491INTERCHANGEABLE
FUSEHOLDER,BLOCK
2819
6680-01-113-8034INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
54502
5136-01-727-2577INTERCHANGEABLE
TAP,THREAD CUTTING
54502

Frequently Asked Questions

What is NSN 4330-00-805-6619?

NSN 4330-00-805-6619 is a Filter Element,fluid, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-00-805-6619?

NSN 4330-00-805-6619 has 2 cross-referenced part numbers: 5450-2 (Fluid Conditioning Products, Inc.), 1598621 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 4330-00-805-6619?

There are 4 known substitutes for 4330-00-805-6619: 5940-00-156-7430, 5920-00-887-6491, 6680-01-113-8034 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1598621?

Key specifications for 1598621: Body Diameter: 1.340 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING FILTERING MEDIUM; Material: METAL CONTAINER/CARTRIDGE; Filtration Rating in Microns: 5.0 NOMINAL. 13 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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