PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25561Filter,fluid

Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div · NSN 4330-01-081-7049 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-081-7049 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-081-7049. Primary manufacturer part number: 25561.
Features
  • Filter,fluid — FSC 4330
  • First Intake Thread Class: 2A A
  • First Intake Thread Direction: RIGHT-HAND
  • Material: STEEL CORROSION RESISTING FILTERING MEDIUM
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
  • First Intake Nominal Thread Size: 0.750 INCHES IN
  • Filtering Element Quantity: 1
  • 3 verified cross-references
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Corrosion Resisting Filtering Medium construction
General Description

The Filter,fluid, cataloged under National Stock Number 4330-01-081-7049, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-081-7049
Primary Part Number25561
Item NameFilter,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerPall Aeropower Corp Sub of Pall Corp Mectron Industries Div
StatusACTIVE
First Intake Thread Class2A A
First Intake Thread DirectionRIGHT-HAND
MaterialSTEEL CORROSION RESISTING FILTERING MEDIUM
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
First Intake Nominal Thread Size0.750 INCHES IN
Filtering Element Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-198-1050 INTERCHANGEABLE
Ball,bearing
5133-00-262-2180 INTERCHANGEABLE
Drill,twist
4720-00-676-79362556-6 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
5310-00-945-05382556-1 INTERCHANGEABLE
Nut,plain,square
Raytheon Company Dba Raytheon
2590-01-419-627825561 INTERCHANGEABLE
Reel,cable
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
25561B Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
25561 PRIMARY Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
25561 Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
Related Parts
3110-00-198-1050INTERCHANGEABLE
BALL,BEARING
5133-00-262-2180INTERCHANGEABLE
DRILL,TWIST
4720-00-676-7936INTERCHANGEABLE
HOSE,NONMETALLIC
2556-6
5310-00-945-0538INTERCHANGEABLE
NUT,PLAIN,SQUARE
2556-1
2590-01-419-6278INTERCHANGEABLE
REEL,CABLE
25561

Frequently Asked Questions

What is NSN 4330-01-081-7049?

NSN 4330-01-081-7049 is a Filter,fluid, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-081-7049?

NSN 4330-01-081-7049 has 3 cross-referenced part numbers: 25561B (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), 25561 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), 25561 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div).

What NSN replaces 4330-01-081-7049?

There are 5 known substitutes for 4330-01-081-7049: 3110-00-198-1050, 5133-00-262-2180, 4720-00-676-7936 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25561?

Key specifications for 25561: First Intake Thread Class: 2A A; First Intake Thread Direction: RIGHT-HAND; Material: STEEL CORROSION RESISTING FILTERING MEDIUM; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 6 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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