PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E525Air Cleaner,intake

Donaldson Company, Inc. · NSN 2940-00-024-1973 · FSC 2940 · No Item Name Available
Verified by PartsTable
NSN 2940-00-024-1973 — this item is cataloged by the U.S. Government under National Stock Number 2940-00-024-1973. Primary manufacturer part number: E525.
Features
  • Air Cleaner,intake — FSC 2940
  • Submersibility: NONSUBMERSIBLE
  • Element Type: PERFORATED
  • Filter Type: OIL BATH
  • Pressure Relief Valve: NOT INCLUDED
  • Outlet Location: ON SIDE OF CLEANER
  • Air Cleaner Type: PERMANENT
  • Backfire Valve: NOT INCLUDED
Applications
  • Applications requiring Steel construction
General Description

The Air Cleaner,intake, cataloged under National Stock Number 2940-00-024-1973, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Donaldson Company, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2940-00-024-1973
Primary Part NumberE525
Item NameAir Cleaner,intake
FSC / FSG2940 / 29 — No Item Name Available
ManufacturerDonaldson Company, Inc.
StatusCANCELLED
SubmersibilityNONSUBMERSIBLE
Element TypePERFORATED
Filter TypeOIL BATH
Pressure Relief ValveNOT INCLUDED
Outlet LocationON SIDE OF CLEANER
Air Cleaner TypePERMANENT
Backfire ValveNOT INCLUDED
Element ReplaceabilityNONREPLACEABLE
Inlet TypeOPEN
Quantity1
MaterialSTEEL
Outlet Sleeve TypePROTRUDING
Remote Location Inlet AdapterNOT INCLUDED
Integral ClampNOT INCLUDED
Mounting Outside Diameter1.500 INCHES NOMINAL IN
Outside Diameter5.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-142-273849923D INTERCHANGEABLE
Strainer Element,sediment
Cnh Industrial America Llc Dba Cnh America
4730-00-266-1813W-1225 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mueller Brass Co.
5133-00-838-5368 INTERCHANGEABLE
Drill,twist
5935-00-958-1955603331-8 INTERCHANGEABLE
Connector,receptacle,electrical
Honeywell International Inc. Dba Honeywell International
4730-01-152-74942086848-1 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Raytheon Company Dba Raytheon
5120-01-669-146860338 INTERCHANGEABLE
Socket,socket Wrench
Wiha Quality Tools
Cross-Reference Index
Part NumberManufacturer
60338 John Reiner & Co. Inc. (USA)
120792H1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
1632451 Clark Equipment Co (USA)
FAE05-2500 Donaldson Company, Inc. (USA)
E525 PRIMARY Donaldson Company, Inc. (USA)
1632451 Dana Off Highway Products, Llc (USA)
Related Parts
4730-00-142-2738INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
49923D
4730-00-266-1813INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
W-1225
5133-00-838-5368INTERCHANGEABLE
DRILL,TWIST
5935-00-958-1955INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
603331-8
4730-01-152-7494INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
2086848-1
5120-01-669-1468INTERCHANGEABLE
SOCKET,SOCKET WRENCH
60338

Frequently Asked Questions

What is NSN 2940-00-024-1973?

NSN 2940-00-024-1973 is a Air Cleaner,intake, manufactured by Donaldson Company, Inc., classified under FSC 2940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2940-00-024-1973?

NSN 2940-00-024-1973 has 6 cross-referenced part numbers: 60338 (John Reiner & Co. Inc.), 120792H1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 1632451 (Clark Equipment Co), FAE05-2500 (Donaldson Company, Inc.), E525 (Donaldson Company, Inc.) and 1 more.

What NSN replaces 2940-00-024-1973?

There are 6 known substitutes for 2940-00-024-1973: 4730-00-142-2738, 4730-00-266-1813, 5133-00-838-5368 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E525?

Key specifications for E525: Overall Height: 7.875 INCHES NOMINAL IN; Submersibility: NONSUBMERSIBLE; Element Type: PERFORATED; Filter Type: OIL BATH. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2940-00-024-1973 still in active supply?

NSN 2940-00-024-1973 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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