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666458 ✓ 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 SEAL,BEARING FACE is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT ENGINE MODEL TF30-P-6, general_characteristics_item_description: GRAPHITIC CARBON,3.819 IN. OD,0.230 IN.

MIN,0.23K IN. MMAX THK 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 5330-00-919-6904, 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
666458
NSN: 5330-00-919-6904
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT ENGINE MODEL TF30-P-6
general_characteristics_item_descriptionGRAPHITIC CARBON,3.819 IN. OD,0.230 IN. MIN,0.23K IN. MMAX THK IN
NSN5330-00-919-6904
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 666458 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: GRAPHITIC CARBON,3.819 IN. OD,0.230 IN. MIN,0.23K IN. MMAX THK IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAIRCRAFT ENGINE MODEL TF30-P-6
GENERAL CHARACTERISTICS ITEM DESCRIPTIONGRAPHITIC CARBON,3.819 IN. OD,0.230 IN. MIN,0.23K IN. MMAX THK IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
704409-1Interchangeable
interchangeable cross-reference
interchangeable
40019-1Interchangeable
interchangeable cross-reference
interchangeable
BA51A45A1-1Interchangeable
interchangeable cross-reference
interchangeable
2232SET12Interchangeable
interchangeable cross-reference
interchangeable
2154Interchangeable
interchangeable cross-reference
interchangeable
M0-348Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 666458?
666458 is a SEAL,BEARING FACE.
What parts can replace 666458?
There are 10 known substitutes for 666458: 704409-1, 40019-1, BA51A45A1-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 666458?
666458 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-919-6904. 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