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CA 121 — FILTER ELEMENT,INTAKE AIR CLEANE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

CA 121: FILTER ELEMENT,INTAKE AIR CLEANE.

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include material: PAPER FILTERING MEDIUM, design_type: LIMITED, body_diameter: 6.060 INCHES NOMINAL IN, style_designator: CYLINDRICAL W/CLOSED ENDS, body_overall_length: 3.850 INCHES NOMINAL IN, body_inside_diameter: 4.560 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2940-00-848-6043, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
CA 121
NSN: 2940-00-848-6043
NIINs: 008486043, 010905395, 014698045
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
CAGE: 73370 — HONEYWELL INTERNATIONAL INC DBA HONEYWELL DIV CONSUMER PRODUCTS GROUP (USA)
SPECIFICATIONS
materialPAPER FILTERING MEDIUM
design_typeLIMITED
body_diameter6.060 INCHES NOMINAL IN
style_designatorCYLINDRICAL W/CLOSED ENDS
body_overall_length3.850 INCHES NOMINAL IN
body_inside_diameter4.560 INCHES NOMINAL IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
end_item_identificationAIR SEPARATION UNIT, SPARES
NSN2940-00-848-6043
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,INTAKE AIR CLEANE TITLE COMPONENT PN CA 121 MFR FILTER ELEMENT,INTAKE
KEY FEATURES
•
FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE
•
BODY DIAMETER: 6.060 INCHES NOMINAL IN
•
BODY OVERALL LENGTH: 3.850 INCHES NOMINAL IN
•
DESIGN TYPE: LIMITED
•
STYLE DESIGNATOR: CYLINDRICAL W/CLOSED ENDS
•
BODY INSIDE DIAMETER: 4.560 INCHES NOMINAL IN
•
MATERIAL: PAPER FILTERING MEDIUM
TECHNICAL CHARACTERISTICS
FILTERING MEDIA DESIGNPLEATED SINGLE FILTERING MEDIA RESPONSE
BODY DIAMETER6.060 INCHES NOMINAL IN
BODY OVERALL LENGTH3.850 INCHES NOMINAL IN
DESIGN TYPELIMITED
STYLE DESIGNATORCYLINDRICAL W/CLOSED ENDS
BODY INSIDE DIAMETER4.560 INCHES NOMINAL IN
MATERIALPAPER FILTERING MEDIUM
SUBSTITUTES & CROSS-REFERENCES 9
DT221Reference document
Same NSN cross-reference
Reference document — Secondary reference
101053Reference document
Same NSN cross-reference
Reference document — Secondary reference
AR-121Reference document
Same NSN cross-reference
Reference document — Secondary reference
5648075Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
121PLReference document
Same NSN cross-reference
Reference document — Secondary reference
737B1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CA 121?
CA 121 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace CA 121?
There are 9 known substitutes for CA 121: DT221, 101053, AR-121 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CA 121?
CA 121 is cataloged in the U.S. Government catalog under NSN 2940-00-848-6043. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.