PartsTable
Technical Data Sheet
PartsTable / O-RING / 66,27X3,53-24B7
66,27X3,53-24B7 ✓ 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 66,27X3,53-24B7 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-097-8242, 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
66,27X3,53-24B7
NSN: 5331-01-097-8242
FSC: 5331 — O-RING
CAGE: F8226 — STACEM (FRA)
SPECIFICATIONS
Part Number66,27X3,53-24B7
NSN5331-01-097-8242
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66,27X3,53-24B7 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
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
MATERIAL: RUBBER SYNTHETIC
•
CENTER HOLE DIAMETER: 2.589 INCHES MINIMUM AND 2.629 INCHES MAXIMUM IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.887 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER SYNTHETIC
CENTER HOLE DIAMETER2.589 INCHES MINIMUM AND 2.629 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.887 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
S-89Interchangeable
interchangeable cross-reference
interchangeable
871231Interchangeable
interchangeable cross-reference
interchangeable
7023590Interchangeable
interchangeable cross-reference
interchangeable
26231Interchangeable
interchangeable cross-reference
interchangeable
52230Interchangeable
interchangeable cross-reference
interchangeable
622701B25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66,27X3,53-24B7?
66,27X3,53-24B7 is a 66,27X3,53-24B7.
What parts can replace 66,27X3,53-24B7?
There are 28 known substitutes for 66,27X3,53-24B7: S-89, 871231, 7023590 and 25 more. Substitute compatibility should be verified for your specific system.
Is 66,27X3,53-24B7 still available?
66,27X3,53-24B7 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