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Technical Data Sheet
PartsTable / COMPONENT / 20568-00
20568-00 ✓ 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, surface_treatment: CADMIUM OR ZINC CASE, housing_bore_diameter: 2.250 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-349-3989, 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
20568-00
NSN: 5330-00-349-3989
FSC: 5330
CAGE: 38455 — ITT MARLOW A UNIT OF ITT PUMPS AND COMPRESSORS DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC CASE
housing_bore_diameter2.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.375 INCHES NOMINAL IN
NSN5330-00-349-3989
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20568-00 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: 2.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 1.375 INCHES NOMINAL IN
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC CASE
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER2.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER1.375 INCHES NOMINAL IN
SEAL WIDTH0.375 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1838314-2Interchangeable
interchangeable cross-reference
interchangeable
PICO-A-1705Interchangeable
interchangeable cross-reference
interchangeable
D0T410Interchangeable
interchangeable cross-reference
interchangeable
20568Interchangeable
interchangeable cross-reference
interchangeable
900999-6508Interchangeable
interchangeable cross-reference
interchangeable
B107.2 TY3CL1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20568-00?
20568-00 is a SEAL,PLAIN ENCASED.
What parts can replace 20568-00?
There are 10 known substitutes for 20568-00: 1838314-2, PICO-A-1705, D0T410 and 7 more. Substitute compatibility should be verified for your specific system.
Is 20568-00 still available?
20568-00 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