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Technical Data Sheet
PartsTable / COMPONENT / 63X669
63X669 ✓ 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,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, housing_bore_diameter: 2.758 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-8278, 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
63X669
NSN: 5330-00-285-8278
FSC: 5330
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
housing_bore_diameter2.758 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.500 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-285-8278
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 63X669 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
•
HOUSING BORE DIAMETER: 2.758 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
SEAL WIDTH: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT DIAMETER: 1.500 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER2.758 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER1.500 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
60512Interchangeable
interchangeable cross-reference
interchangeable
263501Interchangeable
interchangeable cross-reference
interchangeable
13208E5800Interchangeable
interchangeable cross-reference
interchangeable
2518AInterchangeable
interchangeable cross-reference
interchangeable
MIL-G-52732/6Interchangeable
interchangeable cross-reference
interchangeable
749-6173Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63X669?
63X669 is a SEAL,PLAIN ENCASED.
What parts can replace 63X669?
There are 27 known substitutes for 63X669: 60512, 263501, 13208E5800 and 24 more. Substitute compatibility should be verified for your specific system.
Is 63X669 still available?
63X669 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