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Technical Data Sheet
PartsTable / COMPONENT / 9F9961
9F9961 ✓ 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

CAP ASSEMBLY,PROTECTIVE,MUFFLER-. Key specifications include material: ALUMINUM, pipe_outside_diameter_accommodated: 3.000 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-456-1477, 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
9F9961
NSN: 2990-00-456-1477
FSC: 2990
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM
pipe_outside_diameter_accommodated3.000 INCHES IN
NSN2990-00-456-1477
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP ASSEMBLY,PROTECTIVE,MUFFLER- TITLE COMPONENT PN 9F9961 MFR CAP ASSEMBLY,PROTECTIV
KEY FEATURES
•
MATERIAL: ALUMINUM
•
PIPE OUTSIDE DIAMETER ACCOMMODATED: 3.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM
PIPE OUTSIDE DIAMETER ACCOMMODATED3.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
9373Interchangeable
interchangeable cross-reference
interchangeable
2352X3Interchangeable
interchangeable cross-reference
interchangeable
J512Interchangeable
interchangeable cross-reference
interchangeable
26-X-503Interchangeable
interchangeable cross-reference
interchangeable
16544Interchangeable
interchangeable cross-reference
interchangeable
11077Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9F9961?
9F9961 is a CAP ASSEMBLY,PROTECTIVE,MUFFLER-.
What parts can replace 9F9961?
There are 14 known substitutes for 9F9961: 9373, 2352X3, J512 and 11 more. Substitute compatibility should be verified for your specific system.
Is 9F9961 still available?
9F9961 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