PartsTable
Technical Data Sheet
63X279 ✓ 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: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, housing_bore_diameter: 1.875 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-9934, 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
63X279
NSN: 5330-00-291-9934
FSC: 5330
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
housing_bore_diameter1.875 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-291-9934
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 63X279 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
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER: 1.000 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH: 0.375 INCHES NOMINAL IN
CASE STYLE: SQUARE
SEALING ELEMENT STYLE: ANGULAR
HOUSING BORE DIAMETER: 1.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER1.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.375 INCHES NOMINAL IN
MATERIALCOPPER ALLOY CASE
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
P109Interchangeable
interchangeable cross-reference
interchangeable
376374R91Interchangeable
interchangeable cross-reference
interchangeable
FF351Interchangeable
interchangeable cross-reference
interchangeable
51172Interchangeable
interchangeable cross-reference
interchangeable
78292Interchangeable
interchangeable cross-reference
interchangeable
310WFS118Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63X279?
63X279 is a SEAL,PLAIN ENCASED.
What parts can replace 63X279?
There are 9 known substitutes for 63X279: P109, 376374R91, FF351 and 6 more. Substitute compatibility should be verified for your specific system.
Is 63X279 still available?
63X279 is currently cancelled.
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