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Technical Data Sheet
65557 ✓ 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 material: ASBESTOS AND RUBBER SYNTHETIC OVERALL, hole_diameter: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 7.000 INCHES NOMINAL IN, special_features: ONEHOLE 0.813 IN. IN DIA SPACED INBETWEEN TWO OF SIX EQUALLY SPACED HOLES IN, aperture_diameter: 4.820 INCHES NOMINAL IN, bolt_circle_diameter: 5.760 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-303-7779, 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
65557
NSN: 5330-00-303-7779
FSC: 5330
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER SYNTHETIC OVERALL
hole_diameter0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter7.000 INCHES NOMINAL IN
special_featuresONEHOLE 0.813 IN. IN DIA SPACED INBETWEEN TWO OF SIX EQUALLY SPACED HOLES IN
aperture_diameter4.820 INCHES NOMINAL IN
bolt_circle_diameter5.760 INCHES NOMINAL IN
cross-sectional_thickness0.014 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-303-7779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 65557 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
APERTURE DIAMETER: 4.820 INCHES NOMINAL IN
HOLE DIAMETER: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE DIAMETER: 7.000 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER: 5.760 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS: 0.014 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
MATERIAL: ASBESTOS AND RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER4.820 INCHES NOMINAL IN
HOLE DIAMETER0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE DIAMETER7.000 INCHES NOMINAL IN
SPECIAL FEATURESONEHOLE 0.813 IN. IN DIA SPACED INBETWEEN TWO OF SIX EQUALLY SPACED HOLES IN
BOLT CIRCLE DIAMETER5.760 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.014 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
MATERIALASBESTOS AND RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
63557Interchangeable
interchangeable cross-reference
interchangeable
65557Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 65557?
65557 is a GASKET.
What parts can replace 65557?
There are 2 known substitutes for 65557: 63557, 65557. Substitute compatibility should be verified for your specific system.
Is 65557 still available?
65557 is currently cancelled.
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