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PartsTable / COMPONENT / A821C
A821C ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include design_type: NONREUSABLE, body_diameter: 10.406 INCHES NOMINAL IN, style_designator: CYLINDRICAL W/OUT CONTAINER, body_overall_length: 16.500 INCHES NOMINAL IN, body_inside_diameter: 6.031 INCHES NOMINAL IN, filtering_media_design: PLEATED SINGLE FILTERING MEDIA RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-01-154-8399, 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
A821C
NSN: 2940-01-154-8399
FSC: 2940
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
design_typeNONREUSABLE
body_diameter10.406 INCHES NOMINAL IN
style_designatorCYLINDRICAL W/OUT CONTAINER
body_overall_length16.500 INCHES NOMINAL IN
body_inside_diameter6.031 INCHES NOMINAL IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
NSN2940-01-154-8399
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,INTAKE AIR CLEANE TITLE COMPONENT PN A821C MFR FILTER ELEMENT,INTAKE
KEY FEATURES
•
BODY INSIDE DIAMETER: 6.031 INCHES NOMINAL IN
•
DESIGN TYPE: NONREUSABLE
•
BODY DIAMETER: 10.406 INCHES NOMINAL IN
•
BODY OVERALL LENGTH: 16.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL W/OUT CONTAINER
•
FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER6.031 INCHES NOMINAL IN
DESIGN TYPENONREUSABLE
BODY DIAMETER10.406 INCHES NOMINAL IN
BODY OVERALL LENGTH16.500 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL W/OUT CONTAINER
FILTERING MEDIA DESIGNPLEATED SINGLE FILTERING MEDIA RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
2253Interchangeable
interchangeable cross-reference
interchangeable
7737Interchangeable
interchangeable cross-reference
interchangeable
2885MInterchangeable
interchangeable cross-reference
interchangeable
9H1311TSInterchangeable
interchangeable cross-reference
interchangeable
45E4Interchangeable
interchangeable cross-reference
interchangeable
BA98152-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A821C?
A821C is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace A821C?
There are 31 known substitutes for A821C: 2253, 7737, 2885M and 28 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A821C?
A821C is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-01-154-8399. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026