PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K0030309Air Cleaner,intake

Leroi International Inc Dba Compair Leroi · NSN 2940-00-521-8488 · FSC 2940 · No Item Name Available
Verified by PartsTable
NSN 2940-00-521-8488 — this item is cataloged by the U.S. Government under National Stock Number 2940-00-521-8488. Primary manufacturer part number: K0030309.
Features
  • Air Cleaner,intake — FSC 2940
  • Mounting Provision Thread Size: 3/4-14
  • Element Replaceability: NONREPLACEABLE
  • Pressure Relief Valve: NOT INCLUDED
  • Mounting Provision Thread Series Designator: NPT
  • Material: PLASTIC
  • Backfire Valve: NOT INCLUDED
  • Submersibility: NONSUBMERSIBLE
Applications
  • Applications requiring Plastic construction
General Description

The Air Cleaner,intake, cataloged under National Stock Number 2940-00-521-8488, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Leroi International Inc Dba Compair Leroi. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 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
NSN2940-00-521-8488
Primary Part NumberK0030309
Item NameAir Cleaner,intake
FSC / FSG2940 / 29 — No Item Name Available
ManufacturerLeroi International Inc Dba Compair Leroi
StatusCANCELLED
Mounting Provision Thread Size3/4-14
Element ReplaceabilityNONREPLACEABLE
Pressure Relief ValveNOT INCLUDED
Mounting Provision Thread Series DesignatorNPT
MaterialPLASTIC
Backfire ValveNOT INCLUDED
SubmersibilityNONSUBMERSIBLE
Remote Location Inlet AdapterNOT INCLUDED
Outside Diameter4.750 INCHES NOMINAL IN
Filter TypeDRY
Outlet LocationBOTTOM OF CLEANER
Quantity1
Inlet TypeOPEN
Air Cleaner TypePERMANENT
Thread DirectionRIGHT-HAND
Outlet TypeTHREADED
Thread LocationEXTERNAL
Element TypeHOODED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-061514434P11 INTERCHANGEABLE
Cup,tapered Roller Bearing
Taylor Machine Works Inc
5365-00-146-881272487 INTERCHANGEABLE
Shim
Textron Lycoming Inc Williamsport Plant
3110-00-156-8062 INTERCHANGEABLE
Bearing,ball,annular
6625-00-424-6089303-09 INTERCHANGEABLE
Voltmeter
Ballantine Laboratories Inc
2530-00-450-927130307L INTERCHANGEABLE
Axle Housing
Midwest Gear & Tool, Inc.
6625-00-488-4040303-07 INTERCHANGEABLE
Voltmeter
Ballantine Laboratories Inc
5910-00-648-7503AP071B INTERCHANGEABLE
Capacitor,variable,mica Dielectr
F W Capacitors Inc
6105-00-705-2711 INTERCHANGEABLE
Motor,alternating Current
1650-00-946-875130307 INTERCHANGEABLE
Piston,damper
The Boeing Company Div Defense
5963-01-067-3340 INTERCHANGEABLE
Keyer,frequency Shift
Cross-Reference Index
Part NumberManufacturer
30309 Leroi International Inc Dba Compair Leroi (USA)
K0030309 PRIMARY Leroi International Inc Dba Compair Leroi (USA)
72-487 Dollinger Corp (USA)
30307 Compair Kellogg Div of Robertshaw Controls Co (USA)
30307 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
AI613-1 Dollinger Corp (USA)
72-488 Dollinger Corp (USA)
AI513-1 Dollinger Corp (USA)
30309 Compair Kellogg Div of Robertshaw Controls Co (USA)
FS15451-6 Dollinger Corp (USA)
Related Parts
3110-00-100-0615INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
14434P11
5365-00-146-8812INTERCHANGEABLE
SHIM
72487
3110-00-156-8062INTERCHANGEABLE
BEARING,BALL,ANNULAR
6625-00-424-6089INTERCHANGEABLE
VOLTMETER
303-09
2530-00-450-9271INTERCHANGEABLE
AXLE HOUSING
30307L
6625-00-488-4040INTERCHANGEABLE
VOLTMETER
303-07
5910-00-648-7503INTERCHANGEABLE
CAPACITOR,VARIABLE,MICA DIELECTR
AP071B
6105-00-705-2711INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
1650-00-946-8751INTERCHANGEABLE
PISTON,DAMPER
30307
5963-01-067-3340INTERCHANGEABLE
KEYER,FREQUENCY SHIFT
5950-01-079-4710INTERCHANGEABLE
TRANSFORMER,PULSE
5998-01-092-6377INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
72488

Frequently Asked Questions

What is NSN 2940-00-521-8488?

NSN 2940-00-521-8488 is a Air Cleaner,intake, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 2940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2940-00-521-8488?

NSN 2940-00-521-8488 has 10 cross-referenced part numbers: 30309 (Leroi International Inc Dba Compair Leroi), K0030309 (Leroi International Inc Dba Compair Leroi), 72-487 (Dollinger Corp), 30307 (Compair Kellogg Div of Robertshaw Controls Co), 30307 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division) and 5 more.

What NSN replaces 2940-00-521-8488?

There are 12 known substitutes for 2940-00-521-8488: 3110-00-100-0615, 5365-00-146-8812, 3110-00-156-8062 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K0030309?

Key specifications for K0030309: Mounting Provision Thread Size: 3/4-14; Element Replaceability: NONREPLACEABLE; Pressure Relief Valve: NOT INCLUDED; Mounting Provision Thread Series Designator: NPT. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2940-00-521-8488 still in active supply?

NSN 2940-00-521-8488 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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