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Technical Data Sheet
PartsTable / COMPONENT / FB5019
FB5019 ✓ 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: STEEL CORROSION RESISTING, pipe_outside_diameter_accommodated: 6.620 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-448-3631, 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
FB5019
NSN: 2990-00-448-3631
FSC: 2990
CAGE: 17284 — MERCURY PRODUCTS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
pipe_outside_diameter_accommodated6.620 INCHES IN
NSN2990-00-448-3631
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP ASSEMBLY,PROTECTIVE,MUFFLER- TITLE COMPONENT PN FB5019 MFR CAP ASSEMBLY,PROTECTIV
KEY FEATURES
•
PIPE OUTSIDE DIAMETER ACCOMMODATED: 6.620 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
PIPE OUTSIDE DIAMETER ACCOMMODATED6.620 INCHES IN
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
870-616Interchangeable
interchangeable cross-reference
interchangeable
870-747Interchangeable
interchangeable cross-reference
interchangeable
D64277Interchangeable
interchangeable cross-reference
interchangeable
61658Interchangeable
interchangeable cross-reference
interchangeable
70075Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-191Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FB5019?
FB5019 is a CAP ASSEMBLY,PROTECTIVE,MUFFLER-.
What parts can replace FB5019?
There are 23 known substitutes for FB5019: 870-616, 870-747, D64277 and 20 more. Substitute compatibility should be verified for your specific system.
Is FB5019 still available?
FB5019 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