PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6I2504Filter Element,intake Air Cleane

Caterpillar Inc Div Caterpillar Defense · NSN 2940-01-438-4901 · FSC 2940 · No Item Name Available
Verified by PartsTable
NSN 2940-01-438-4901 — this item is cataloged by the U.S. Government under National Stock Number 2940-01-438-4901. Primary manufacturer part number: 6I2504.
Features
  • Filter Element,intake Air Cleane — FSC 2940
  • 5 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Element,intake Air Cleane, cataloged under National Stock Number 2940-01-438-4901, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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: Active.

Technical Specifications
ParameterValue
NSN2940-01-438-4901
Primary Part Number6I2504
Item NameFilter Element,intake Air Cleane
FSC / FSG2940 / 29 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-157-3727 INTERCHANGEABLE
Bearing,ball,thrust
5935-00-201-8018230 INTERCHANGEABLE
Plug,telephone
Switchcraft Inc.
4330-00-251-6398 INTERCHANGEABLE
Filter Element,fluid
4030-00-262-1791PF42 INTERCHANGEABLE
Thimble,rope
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5360-00-619-057193 INTERCHANGEABLE
Spring,helical,compression
Watts Regulator Company
5950-01-012-13646595 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5985-01-026-83722888065-3 INTERCHANGEABLE
Waveguide Assembly
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5325-01-100-01806595 INTERCHANGEABLE
Ring,retaining
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4720-01-346-46926595M3A-174-174 INTERCHANGEABLE
Hose Assembly,nonmetallic
Transdigm Inc Div Adelwiggins Group
4720-01-481-208694379M16B310-310 INTERCHANGEABLE
Hose Assembly,nonmetallic
Smiths Tubular Systems-Laconia, Inc.
Cross-Reference Index
Part NumberManufacturer
6I2504 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
6595 Genuine Parts Company Div Automotive Parts Group, Dba Napa (USA)
6595 National Automotive Parts Assn/napa/ (USA)
46595 PRIMARY Wix Corp (USA)
6I-2504 Finning (uk) Ltd (GBR)
Related Parts
3110-00-157-3727INTERCHANGEABLE
BEARING,BALL,THRUST
5935-00-201-8018INTERCHANGEABLE
PLUG,TELEPHONE
230
4330-00-251-6398INTERCHANGEABLE
FILTER ELEMENT,FLUID
4030-00-262-1791INTERCHANGEABLE
THIMBLE,ROPE
PF42
5360-00-619-0571INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
93
5950-01-012-1364INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6595
5985-01-026-8372INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
2888065-3
5325-01-100-0180INTERCHANGEABLE
RING,RETAINING
6595
4720-01-346-4692INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6595M3A-174-174
4720-01-481-2086INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
94379M16B310-310
4720-01-481-2092INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6595-11B232-232
4720-01-481-2132INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
94379M16B280-280

Frequently Asked Questions

What is NSN 2940-01-438-4901?

NSN 2940-01-438-4901 is a Filter Element,intake Air Cleane, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940 (No Item Name Available). Status: active.

What are the part numbers for NSN 2940-01-438-4901?

NSN 2940-01-438-4901 has 5 cross-referenced part numbers: 6I2504 (Caterpillar Inc Div Caterpillar Defense), 6595 (Genuine Parts Company Div Automotive Parts Group, Dba Napa), 6595 (National Automotive Parts Assn/napa/), 46595 (Wix Corp), 6I-2504 (Finning (uk) Ltd).

What NSN replaces 2940-01-438-4901?

There are 12 known substitutes for 2940-01-438-4901: 3110-00-157-3727, 5935-00-201-8018, 4330-00-251-6398 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6I2504?

Key specifications for 6I2504: Special Features: ELEMENT AS SEC; End Item Identification: SHIPBOARD MATERIAL H.. 2 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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