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PartsTable / COMPONENT / 121939-1
121939-1 ✓ 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,AIR CONDITIONING. Key specifications include material: ALUMINUM FILTERING MEDIUM, design_type: REUSABLE, overall_width: 20.000 INCHES NOMINAL IN, body_thickness: 1.000 INCHES NOMINAL IN, style_designator: RECTANGULAR (INCL SQUARE), body_overall_length: 20.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4130-00-472-8655, 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
121939-1
NSN: 4130-00-472-8655
FSC: 4130
CAGE: 00736 — FALLS FILTRATION TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialALUMINUM FILTERING MEDIUM
design_typeREUSABLE
overall_width20.000 INCHES NOMINAL IN
body_thickness1.000 INCHES NOMINAL IN
style_designatorRECTANGULAR (INCL SQUARE)
body_overall_length20.000 INCHES NOMINAL IN
maximum_air_flow_rate800.0 CUBIC FEET PER MINUTE
specification/standard_data81346-ASTM-F872 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4130-00-472-8655
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,AIR CONDITIONING TITLE COMPONENT PN 121939-1 MFR FILTER ELEMENT,AIR CON
KEY FEATURES
•
BODY THICKNESS: 1.000 INCHES NOMINAL IN
•
BODY OVERALL LENGTH: 20.000 INCHES NOMINAL IN
•
MAXIMUM AIR FLOW RATE: 800.0 CUBIC FEET PER MINUTE
•
STYLE DESIGNATOR: RECTANGULAR (INCL SQUARE)
•
DESIGN TYPE: REUSABLE
•
SPECIFICATION/STANDARD DATA: 81346-ASTM-F872 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: METAL FRAME
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH20.000 INCHES NOMINAL IN
BODY THICKNESS1.000 INCHES NOMINAL IN
BODY OVERALL LENGTH20.000 INCHES NOMINAL IN
MAXIMUM AIR FLOW RATE800.0 CUBIC FEET PER MINUTE
STYLE DESIGNATORRECTANGULAR (INCL SQUARE)
DESIGN TYPEREUSABLE
SPECIFICATION/STANDARD DATA81346-ASTM-F872 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALMETAL FRAME
MATERIALALUMINUM FILTERING MEDIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
616-3Interchangeable
interchangeable cross-reference
interchangeable
CGAS4645Interchangeable
interchangeable cross-reference
interchangeable
9802Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
1329898-2400Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121939-1?
121939-1 is a FILTER ELEMENT,AIR CONDITIONING.
What parts can replace 121939-1?
There are 21 known substitutes for 121939-1: 616-3, CGAS4645, 9802 and 18 more. Substitute compatibility should be verified for your specific system.
Is 121939-1 still available?
121939-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026