PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K25Filter Element,fluid

Schroeder Industries Llc · NSN 4330-00-443-0015 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-443-0015 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-443-0015. Primary manufacturer part number: K25.
Features
  • Filter Element,fluid — FSC 4330
  • Body Overall Length: 9.250 INCHES NOMINAL IN
  • Design Type: NONREUSABLE
  • Differential Pressure: ERR-060
  • Filtration Rating in Microns: 25.0 NOMINAL
  • Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE
  • Style Designator: CYLINDRICAL W/ CONTAINER (RIGID)
  • Body Diameter: 4.000 INCHES NOMINAL IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Plastic or Paper Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-00-443-0015, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Schroeder Industries Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN4330-00-443-0015
Primary Part NumberK25
Item NameFilter Element,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerSchroeder Industries Llc
StatusCANCELLED
Body Overall Length9.250 INCHES NOMINAL IN
Design TypeNONREUSABLE
Differential PressureERR-060
Filtration Rating in Microns25.0 NOMINAL
Filtering Media DesignPLEATED SINGLE FILTERING MEDIA RESPONSE
Style DesignatorCYLINDRICAL W/ CONTAINER (RIGID)
Body Diameter4.000 INCHES NOMINAL IN
MaterialPLASTIC OR PAPER FILTERING MEDIUM
Media for Which DesignedFUEL/OIL, HYDROCARBON
Flow DirectionOUTSIDE IN
MaterialMETAL CONTAINER/CARTRIDGE
Body Inside Diameter1.656 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-279-6365 INTERCHANGEABLE
Resistor,adjustable
5905-00-284-33380366-50P0RM5 INTERCHANGEABLE
Resistor,adjustable
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3460-00-322-5934SXF39 INTERCHANGEABLE
Wheel,abrasive
Regis Manufacturing Company
5950-00-468-4898K25ALT2 INTERCHANGEABLE
Coil,electrical
The Dewey Electronics Corporation Div Pitometer Log Division
6515-00-562-8308 INTERCHANGEABLE
Tubing,oxygen Connector
3040-00-739-1594K2-5 INTERCHANGEABLE
Hub,body
Roller Bearing Co of America, Inc Div Pic Design
6515-00-888-60941PI-7007 INTERCHANGEABLE
Tubing,inhalation Therapy
Ipi Medical Products
5315-01-226-1735K 25 KEY INTERCHANGEABLE
Key
Emerson Electric Co Browning Mfg Div
5120-01-243-9273K-21 INTERCHANGEABLE
Knife,putty
Ampco Partners, Ltd. Dba Ampco Safety Tools
5315-01-277-0894K25 INTERCHANGEABLE
Key,woodruff
Emglo Products Corp
Cross-Reference Index
Part NumberManufacturer
PT707HD Baldwin Filters (USA)
21718P11 Taylor Machine Works Inc (USA)
PM-K-25 Parma Industries Inc (USA)
K25 PRIMARY Schroeder Industries Llc (USA)
PL409-25-1A PRIMARY North American Filter Corp Refilco Div (USA)
Related Parts
5905-00-279-6365INTERCHANGEABLE
RESISTOR,ADJUSTABLE
5905-00-284-3338INTERCHANGEABLE
RESISTOR,ADJUSTABLE
0366-50P0RM5
3460-00-322-5934INTERCHANGEABLE
WHEEL,ABRASIVE
SXF39
5950-00-468-4898INTERCHANGEABLE
COIL,ELECTRICAL
K25ALT2
6515-00-562-8308INTERCHANGEABLE
TUBING,OXYGEN CONNECTOR
3040-00-739-1594INTERCHANGEABLE
HUB,BODY
K2-5
6515-00-888-6094INTERCHANGEABLE
TUBING,INHALATION THERAPY
1PI-7007
5315-01-226-1735INTERCHANGEABLE
KEY
K 25 KEY
5120-01-243-9273INTERCHANGEABLE
KNIFE,PUTTY
K-21
5315-01-277-0894INTERCHANGEABLE
KEY,WOODRUFF
K25
5120-01-361-9641INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
K25
6350-01-707-2949INTERCHANGEABLE
HORN,SIGNAL

Frequently Asked Questions

What is NSN 4330-00-443-0015?

NSN 4330-00-443-0015 is a Filter Element,fluid, manufactured by Schroeder Industries Llc, classified under FSC 4330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4330-00-443-0015?

NSN 4330-00-443-0015 has 5 cross-referenced part numbers: PT707HD (Baldwin Filters), 21718P11 (Taylor Machine Works Inc), PM-K-25 (Parma Industries Inc), K25 (Schroeder Industries Llc), PL409-25-1A (North American Filter Corp Refilco Div).

What NSN replaces 4330-00-443-0015?

There are 12 known substitutes for 4330-00-443-0015: 5905-00-279-6365, 5905-00-284-3338, 3460-00-322-5934 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K25?

Key specifications for K25: Special Features: W/SPRING REINFORCED CENTER TUBE; Body Overall Length: 9.250 INCHES NOMINAL IN; Design Type: NONREUSABLE; Differential Pressure: ERR-060. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4330-00-443-0015 still in active supply?

NSN 4330-00-443-0015 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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