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PartsTable / COMPONENT / 568-261
568-261 ✓ 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

LINER,COMBUSTION CHAMBER,AIRCRAF. Key specifications include material: RUBBER BUTADIENE NITRILE, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 6.750 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: INTERNAL BUMPER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2840-00-128-8345, 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
568-261
NSN: 2840-00-128-8345
FSC: 2840
CAGE: 52661 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter6.750 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyINTERNAL BUMPER
NSN2840-00-128-8345
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LINER,COMBUSTION CHAMBER,AIRCRAF TITLE COMPONENT PN 568-261 MFR LINER,COMBUSTION CHAMB
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: AGAV
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONAGAV
END ITEM IDENTIFICATIONTF-33 AIRCRAFT ENGINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
IF-5293 PIECE 53Interchangeable
interchangeable cross-reference
interchangeable
568-261Interchangeable
interchangeable cross-reference
interchangeable
900110Interchangeable
interchangeable cross-reference
interchangeable
B-50416-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 568-261?
568-261 is a LINER,COMBUSTION CHAMBER,AIRCRAF.
What parts can replace 568-261?
There are 4 known substitutes for 568-261: IF-5293 PIECE 53, 568-261, 900110 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 568-261?
568-261 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2840-00-128-8345. 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