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TKA254 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.688 INCHES NOMINAL IN, overall_length: 2.688 INCHES NOMINAL IN, outside_corner_radius: 0.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-467-6136, 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
TKA254
NSN: 5330-00-467-6136
FSC: 5330
CAGE: 90598 — ENGINEERED AIR SYSTEMS, INC. DBA DRS SUSTAINMENT SYSTEMS (USA)
SPECIFICATIONS
hole_diameter0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.688 INCHES NOMINAL IN
overall_length2.688 INCHES NOMINAL IN
outside_corner_radius0.250 INCHES NOMINAL IN
NSN5330-00-467-6136
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TKA254 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOLE DIAMETER: 0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
OUTSIDE CORNER RADIUS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL WIDTH2.688 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
OVERALL LENGTH2.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1-7-15-1Interchangeable
interchangeable cross-reference
interchangeable
R17151Interchangeable
interchangeable cross-reference
interchangeable
41977-41Interchangeable
interchangeable cross-reference
interchangeable
100875Interchangeable
interchangeable cross-reference
interchangeable
C62269Interchangeable
interchangeable cross-reference
interchangeable
1040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TKA254?
TKA254 is a GASKET.
What parts can replace TKA254?
There are 17 known substitutes for TKA254: 1-7-15-1, R17151, 41977-41 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TKA254?
TKA254 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-467-6136. 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