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6661179-019 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6661179-019: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-141-1818, 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
6661179-019
NSN: 5331-01-141-1818
FSC: 5331 — O-ring
CAGE: 09523 — PARKER-HANNIFIN CORPORATION DIV GAS TURBINE FUEL SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
hardness_rating80.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-01-141-1818
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6661179-019 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 7
MIL-R-25988/4Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-019L1218-80Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL2024356Reference document
Same NSN cross-reference
Reference document — Informative reference only
M25988/4-019Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-DTL-25988/4Reference document
Same NSN cross-reference
Reference document — Identification reference
2-019L806-80Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6661179-019?
6661179-019 is a O-RING.
What parts can replace 6661179-019?
There are 7 known substitutes for 6661179-019: MIL-R-25988/4, 2-019L1218-80, 5331PL2024356 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6661179-019?
6661179-019 is cataloged in the U.S. Government catalog under NSN 5331-01-141-1818. This indicates validated use in U.S. government and defense supply chains.
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